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todo.pl ratmenu - blog.nelhage.com - 18 years ago - eng
broder has been hacking on some better quicksilver integration for Hiveminder using todo.pl. I don’t use a mac, but I don’t see why linux users shouldn’t get fun toys to. So I hacked up the following two-liner that uses todo.pl and ratmenu to pop up a list of tasks, and mark one as completed: #!/bin/sh todo.pl | perl -ne 'push @a,$2,"todo.pl done $1" if /^#([\w]+) (.+)$/;' \ -e 'END{exec("ratmenu",@a)}' I dropped it into my ~/bin and bound ..
I suddenly got an email out of the blue today: Dear Sir / Madam: We have received your application, an interview will be arranged for shortlisted candidates. Thank you for your interest to join our team! Human Resources Initially I thought it was spam (although the normally good Gmail spam system hadn’t marked it as spam), then I saw the company name, and saw they were based in Macau. A quick search for that company’s name in ..
Whenever I talk about Agile Software Development with people who have a strategic point of view, a very pertinent question always comes up: What about fixed price projects? Establishing an initial relationship with a customer about creating a product is often perceived as a weakness of Agile methods. After being asked the question very many times, I’ve started giving a fairly standard response, which is basically the same as Tom Gilb gave m..
Rails #3: AJAX - jhannes.github.io - 18 years ago - eng
In my previous articles, I showed you how to get started using Rails, and how to create model objects that are associated with each other. In this article, we will clean up the way that information is displayed and add support for dynamic HTML, or as the cool kids are calling it these days, AJAX. A view to die for First, clean up app/views/articles/show.hml.erb. I am assuming you know enough HTML to be able to make it look reasonably blog l..
Every Java object has a hashCode() and an equals(..) method. These are used to determine where to place an object within a hashing algorithm, and if two objects with the same place in the hashing algorithm actually are the same, respectively. If you want to add objects to a Set—which stores only unique objects—it uses these methods to determine whether two objects are the same and thus shouldn’t both be stored.
The Java Iterator interface requires one implements a hasNext method, to determine if the current item is the last to be iterated over, or not. The MySQL driver ’s implementation of the JDBC ResultSet object, if one uses streaming mode throws an exception from its isLast method. ( Streaming mode prevents the JVM from running out of memory, which it would do if it tried to fetch all the results at once.)
There was a discussion on Slashdot about corporate ethics and system administrators reading other people’s emails. That reminded me of the following story: A friend of a friend was working in IT as a Windows administrator. He was called to fix some boss’ computer, who then went out to lunch leaving the friend alone with the computer. The friend happened to see a mail on the boss’ computer that he found interesting, so he forwarded it ..
After my last post about SQL*Net message to client wait event I had a follow-up question about what’s the difference between SQL*Net message to client and SQL*Net more data to client wait events. I’ll post the answer here: The first session data unit (SDU) bufferful of return data is written to TCP socket buffer under SQL*Net message to client wait event. If Oracle needs to return more result data for a call than fits into the firs....
After my last post about SQL*Net message to client wait event I had a follow-up question about what’s the difference between SQL*Net message to client and SQL*Net more data to client wait events. I’ll post the answer here: The first session data unit (SDU) bufferful of return data is written to TCP socket buffer under SQL*Net message to client wait event. If Oracle needs to return more result data for a call than fits into the firs....
In a recent Oracle Forum thread a question came up how to use SQL*Net message to client wait events for measuring network latency between server and client. The answer is that you can’t use it for network latency measurements at all, due to how TCP stack works and how Oracle uses it. I’ll paste my answer here too, for people who don’t follow Oracle Forums: As I wrote in that reply, “SQL*Net message to client” does NOT measure netwo..
In a recent Oracle Forum thread a question came up how to use SQL*Net message to client wait events for measuring network latency between server and client. The answer is that you can’t use it for network latency measurements at all, due to how TCP stack works and how Oracle uses it. I’ll paste my answer here too, for people who don’t follow Oracle Forums: As I wrote in that reply, “SQL*Net message to client” does NOT measure netwo..
Trying to read a large amount of data from MySQL using Java using one query is not as easy as one might think. I want to read the results of the query a chunk at a time. If I read it all at once, the JVM understandably runs out of memory. In this case I am stuffing all the resulting data into a Lucene index, but the same would apply if I was writing the data out to a file, another database, etc.
I’m sure there are a lot of opinions in the world about which logger levels to use for which errors. Log levels in the sense of if a text destined for a logfile should be prefixed with “Info”, “Warning”, “Error” etc. There is even great debate about which log levels there should be. E.g. should there be a “Debug” level or a “Trace” level? Or both? In which case what’s the difference?
This series is about revealing some Oracle’s internal execution costs and inefficiencies. I will analyze few situations and special cases where you can experience a performance hit where you normally wouldn’t expect to. The first topic is about a question I saw in a recent Oracle Forum thread . The question goes like this: “Is there any benefit if I run long sql queries from the server (by using telnet,etc) or from the remote by sql c....
This series is about revealing some Oracle’s internal execution costs and inefficiencies. I will analyze few situations and special cases where you can experience a performance hit where you normally wouldn’t expect to. The first topic is about a question I saw in a recent Oracle Forum thread . The question goes like this: “Is there any benefit if I run long sql queries from the server (by using telnet,etc) or from the remote by sql c....
I have so far avoided writing such pointer blog posts which only refer you to another article, but I have to do it with this one . Adrian Billington has written an excellent article on performance of Oracle 11g PL/SQL function result cache. His article is a good example of a thorough, well organized and well written technical content. I really enjoyed reading it and thanks to his thoroughness, he has just saved me some precious time doing ..
I have so far avoided writing such pointer blog posts which only refer you to another article, but I have to do it with this one . Adrian Billington has written an excellent article on performance of Oracle 11g PL/SQL function result cache. His article is a good example of a thorough, well organized and well written technical content. I really enjoyed reading it and thanks to his thoroughness, he has just saved me some precious time doing ..
Mary Poppendieck has just published a presentation on Agile software development entering the mainstream (and how to fail with agile). The presentation contains a number of insightful key points, but one footnote struck a chord with me: According to Allen Ward’s “Lean Product and Process Development”, Handsoffs are the biggest waste of product development. This has long been a pet peeve of mine, and I want to examine why handoffs occur, why..
David Mortman, Moderator CSO-in-Residence, Echelon One Paul Proctor, Moderator VP, Gartner Window Snyder, Vendor Director of Ecosystem Development, Mozilla Corporation Ian Robertson CSO, RIM David Maynor CTO, Errata Security Dave Goldsmith Concerns about ethics for security professionals has been on the rise of late. It's time for researchers and vendors to meet up and discuss the issues of ethical behavior in our indus..
David Mortman, Moderator CSO-in-Residence, Echelon One Paul Proctor, Moderator VP, Gartner Window Snyder, Vendor Director of Ecosystem Development, Mozilla Corporation Ian Robertson CSO, RIM David Maynor CTO, Errata Security Dave Goldsmith Concerns about ethics for security professionals has been on the rise of late. It's time for researchers and vendors to meet up and discuss the issues of ethical behavior in our industry an..
David Mortman, Moderator CSO-in-Residence, Echelon One Paul Proctor, Moderator VP, Gartner Window Snyder, Vendor Director of Ecosystem Development, Mozilla Corporation Ian Robertson CSO, RIM David Maynor CTO, Errata Security Dave Goldsmith Concerns about ethics for security professionals has been on the rise of late. It's time for researchers and vendors to meet up and discuss the issues of ethical behavior in our indus..
David Mortman, Moderator CSO-in-Residence, Echelon One Paul Proctor, Moderator VP, Gartner Window Snyder, Vendor Director of Ecosystem Development, Mozilla Corporation Ian Robertson CSO, RIM David Maynor CTO, Errata Security Dave Goldsmith Concerns about ethics for security professionals has been on the rise of late. It's time for researchers and vendors to meet up and discuss the issues of ethical behavior in our industry an..
2007 held numerous watershed events for the security industry. Innovation is needed and the money is there. Come to this session and meet the VCs actively investing in security, web, and mobile applications. Learn how VCs see the future, what they are looking for, and how best to utilize them to further your innovations. This session will conclude with a announcement about the Black Hat/DEFCON Open, a business plan competition focused on in..
2007 held numerous watershed events for the security industry. Innovation is needed and the money is there. Come to this session and meet the VCs actively investing in security, web, and mobile applications. Learn how VCs see the future, what they are looking for, and how best to utilize them to further your innovations. This session will conclude with a announcement about the Black Hat/DEFCON Open, a business plan competition focused on in..
2007 held numerous watershed events for the security industry. Innovation is needed and the money is there. Come to this session and meet the VCs actively investing in security, web, and mobile applications. Learn how VCs see the future, what they are looking for, and how best to utilize them to further your innovations. This session will conclude with a announcement about the Black Hat/DEFCON Open, a business plan competition focused on in..
2007 held numerous watershed events for the security industry. Innovation is needed and the money is there. Come to this session and meet the VCs actively investing in security, web, and mobile applications. Learn how VCs see the future, what they are looking for, and how best to utilize them to further your innovations. This session will conclude with a announcement about the Black Hat/DEFCON Open, a business plan competition focused on in..
This year we will have so many feds representing their federal agencies that we will have to break it up into two separate panels: IA Panel: Information Assurance, CERTS, first responder's organizations from agencies including DC3, DHS, SOCOM, NSA, OSD, NDU, and GAO. LE Panel: and Law Enforcement, Counterintelligence agencies including DC3, FBI, IRS, NCIS, NASA, NWC3, US Postal IG, FLETC, and RCMP. Each of the agency reps ....
This year we will have so many feds representing their federal agencies that we will have to break it up into two separate panels: IA Panel: Information Assurance, CERTS, first responder's organizations from agencies including DC3, DHS, SOCOM, NSA, OSD, NDU, and GAO. LE Panel: and Law Enforcement, Counterintelligence agencies including DC3, FBI, IRS, NCIS, NASA, NWC3, US Postal IG, FLETC, and RCMP. Each of the agency reps wil....
This year we will have so many feds representing their federal agencies that we will have to break it up into two separate panels: IA Panel: Information Assurance, CERTS, first responder's organizations from agencies including DC3, DHS, SOCOM, NSA, OSD, NDU, and GAO. LE Panel: and Law Enforcement, Counterintelligence agencies including DC3, FBI, IRS, NCIS, NASA, NWC3, US Postal IG, FLETC, and RCMP. Each of the agency reps ....
This year we will have so many feds representing their federal agencies that we will have to break it up into two separate panels: IA Panel: Information Assurance, CERTS, first responder's organizations from agencies including DC3, DHS, SOCOM, NSA, OSD, NDU, and GAO. LE Panel: and Law Enforcement, Counterintelligence agencies including DC3, FBI, IRS, NCIS, NASA, NWC3, US Postal IG, FLETC, and RCMP. Each of the agency reps wil....
The defense techniques employed by large software manufacturers are getting better. This is particularly true of Microsoft who have improved the security of the software they make tremendously since their Trustworthy Computing initiative. Gone are the days of being able to penetrate any Microsoft system by firing off the RPC-DCOM exploit. The consequence of this is that post-exploitation has become increasingly important in order to "squeez....
The defense techniques employed by large software manufacturers are getting better. This is particularly true of Microsoft who have improved the security of the software they make tremendously since their Trustworthy Computing initiative. Gone are the days of being able to penetrate any Microsoft system by firing off the RPC-DCOM exploit. The consequence of this is that post-exploitation has become increasingly important in order to "squeez....
Lukas Grunwald CTO of DN-Systems Enterprise Internet Solutions GmbH This talk will show what happens if security is driven by politics and compromise, also I will cover additional security risks by the new generation of electronic passports. It will show why it could be possible to produce fake biometric fingerprints from the new generation electronic passports, for example by rogue regimes. The new bogus security attempts to se....
Lukas Grunwald CTO of DN-Systems Enterprise Internet Solutions GmbH This talk will show what happens if security is driven by politics and compromise, also I will cover additional security risks by the new generation of electronic passports. It will show why it could be possible to produce fake biometric fingerprints from the new generation electronic passports, for example by rogue regimes. The new bogus security attempts to secu....
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