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Good points, Raymond. One reason people find it hard to "read the source" is, as you correctly noted, largish repositories and checkouts with many sub-directories. Conventional tools (find | xargs grep) are somewhat lacking in this respect, so some folks use special source-searching tools like ack. I wrote 'pss' (https://bitbucket.org/eliben/pss - shameless plug!) to be a Python clone of ack, precisely for the goal of making search inside ..
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For Python code, IPython is a big help with this. You can look up the source code for any module, function or object - so long as it's defined in Python - with "foo??".
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I usually consider it a weakness in the docs if someone needs to view code I've given them in a library in order to make effective use of it. But these days we take that a little too far and actively hide the code and pretend it doesnt exist. I think linking to the source from the docs is a great idea.
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Parteciperò alla WhyMCA Mobile Developer Conference a Bologna il 24 e 25 maggio. Il programma mi sembra piuttosto interessante. Se pensate di venire fatemelo sapere che vediamo di incotrarci.
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Oradebug hanganalyze with a prelim connection and “ERROR: Can not perform hang analysis dump without a process state object and a session state object.”
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tanelpoder.com
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14 years ago
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eng
Back in the (really) old days, systemstate dumps had to be used for diagnosing hangs and finding blockers of hung databases. Basically you just identified which resource your waiting sessions were waiting for and then scanned through the rest of the system state dump to see which session held that particular resource (note that over time the instrumentation and systemstate dumps have evolved to resolve and dump the blocker information right..
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Oradebug hanganalyze with a prelim connection and “ERROR: Can not perform hang analysis dump without a process state object and a session state object.”
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tanelpoder.com
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14 years ago
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eng
Back in the (really) old days, systemstate dumps had to be used for diagnosing hangs and finding blockers of hung databases. Basically you just identified which resource your waiting sessions were waiting for and then scanned through the rest of the system state dump to see which session held that particular resource (note that over time the instrumentation and systemstate dumps have evolved to resolve and dump the blocker information right..
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View the site here: https://movies.tomforb.es or the code here To distract me from my ever approaching 1st year exams I decided to create a site that recommends people films to watch based upon their previous viewing habits. I gave it to my girlfriend to use and evaluate and she gave positive feedba...
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View the site here: https://movies.tomforb.es or the code here To distract me from my ever approaching 1st year exams I decided to create a site that recommends people films to watch based upon their previous viewing habits. I gave it to my girlfriend to use and evaluate and she gave positive feedba...
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Il sito del progetto Git è stato finalmente aggiornato. Nuova grafica, nuovo logo, ottimizzazione dei contenuti e soprattutto integrazione di importanti risorse prima ospitate altrove: la Git Reference, il libro ProGit, Why Git is Better Than X e il nuovo progetto Git Video Series, che include quattro bei filmati già pronti.
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I encountered some code recently where a GUI client was listening for Object updates from a multi-threaded server, and it was using the version number on the Object to determine whether the incoming Object was the latest version. The server incremented the version of the Object by inserting a new row into a table in the database and using the primary key as the version number. Now consider the case multi-threaded case where two threads, T..
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This post is a list of many of the reasons to use Postgres, much this content as well as how to use these features will later be curated within PostgresGuide.com . If you need to get started check out Postgres.app for Mac, or get a Cloud instance at Heroku Postgres for free Last week I did a post on the many reasons to use Postgres . My goal with the post was two fold: Call out some of the historical arguments against it that don....
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This post is a list of many of the reasons to use Postgres, much this content as well as how to use these features will later be curated within PostgresGuide.com . If you need to get started check out Postgres.app for Mac, or get a Cloud instance at Heroku Postgres for free Last week I did a post on the many reasons to use Postgres . My goal with the post was two fold: Call out some of the historical arguments against it that don....
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A belated post about the first Guild Wars 2 Beta Weekend Event / @GuildWars2
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liza.io
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14 years ago
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eng
Over the past few days I’ve been processing my thoughts about the Guild Wars 2 Beta Weekend Event, which was now a couple of weeks ago.
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Conosco solo PHP. Come scrivo una applicazione web in Python?
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nicolaiarocci.com
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14 years ago
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ita
Venite da PHP e siete incuriositi da Python? Vi consiglio la lettura di Python FAQ Webdev: i web framework Python dal punto di vista di un ex sviluppatore PHP.
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Ogni tanto ricevo proposte di lavoro che non sono in grado di soddisfare né direttamente (per mancanza di tempo o know-how) né indirettamente (passando nomi di colleghi e conoscenti). E’ questo il caso della richiesta di Michele, che vi propongo nel caso qualcuno di voi sia interessato. Sia chiaro che io non c’entro e non ci guadagno nulla; mi interessa solo favorire domanda e offerta e mi limito, col permesso dell’autore, a ripubblicare il..
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False Proof – 2 = 4, As the Limit of an Infinite Power Tower
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www.jeremykun.com
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14 years ago
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eng
Problem: Prove that $ 2 = 4$. Solution: Consider the value of the following infinitely iterated exponent: $$\displaystyle \sqrt{2}^{\sqrt{2}^{\sqrt{2}^{\cdot^{\cdot^{\cdot}}}}}$$ Let $ a_n = \sqrt{2} \uparrow \uparrow n$, that is, the above power tower where we stop at the $ n$-th term. Then $ a_n$ is clearly an increasing sequence, and moreover $ a_n \leq 4$ by a trivial induction argument: $ \sqrt{2} \leq 4$ and if $ a_n \leq 4$ then $ a_..
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False Proof – 2 = 4, As the Limit of an Infinite Power Tower
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www.jeremykun.com
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14 years ago
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eng
Problem: Prove that $ 2 = 4$. Solution: Consider the value of the following infinitely iterated exponent: $$\displaystyle \sqrt{2}^{\sqrt{2}^{\sqrt{2}^{\cdot^{\cdot^{\cdot}}}}}$$ Let $ a_n = \sqrt{2} \uparrow \uparrow n$, that is, the above power tower where we stop at the $ n$-th term. Then $ a_n$ is clearly an increasing sequence, and moreover $ a_n \leq 4$ by a trivial induction argument: $ \sqrt{2} \leq 4$ and if $ a_n \leq 4$ then $ a_..
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False Proof – 2 = 4, As the Limit of an Infinite Power Tower
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www.jeremykun.com
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14 years ago
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eng
Problem: Prove that $ 2 = 4$. Solution: Consider the value of the following infinitely iterated exponent: $$\displaystyle \sqrt{2}^{\sqrt{2}^{\sqrt{2}^{\cdot^{\cdot^{\cdot}}}}}$$ Let $ a_n = \sqrt{2} \uparrow \uparrow n$, that is, the above power tower where we stop at the $ n$-th term. Then $ a_n$ is clearly an increasing sequence, and moreover $ a_n \leq 4$ by a trivial induction argument: $ \sqrt{2} \leq 4$ and if $ a_n \leq 4$ then $ a_..
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First a huge thanks to all organizers of conferences, but especially for those that organize not-for-profit conferences. I do understand its a great amount of work, and in nearly all cases have greatly appreciated the experience made available by the work they put into it. As for some guidance. I’ve been on nearly all sides of the conference with the exception of organizing, so again organizers please don’t take offense to the feedback. ....
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First a huge thanks to all organizers of conferences, but especially for those that organize not-for-profit conferences. I do understand its a great amount of work, and in nearly all cases have greatly appreciated the experience made available by the work they put into it. As for some guidance. I’ve been on nearly all sides of the conference with the exception of organizing, so again organizers please don’t take offense to the feedback. ....
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If there was one piece of advice I could give to someone considering a career in software development it would be: Learn to f$%@cking type! Knowing how to touch type is the single most valuable skill that a developer can possess. Typing allows you to concentrate on what you’re coding rather than how to get the characters on the screen. In other words, you’re able to think about the code rather than thinking about where to find the let..
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Advanced Oracle Troubleshooting Guide – Part 10: Index unique scan doing multiblock reads?!
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tanelpoder.com
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14 years ago
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eng
When you troubleshoot an Oracle (performance) problem you usually want to find out what are the problem sessions doing (wrong) and then why are they doing it. The “what” question is usually answered using some wait interface based method – like ASH or SQL*Trace, which both add plenty of extra details to the plain wait event data. My normal session troubleshooting data collection sequence consists of only three steps: Interpret se..
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Advanced Oracle Troubleshooting Guide – Part 10: Index unique scan doing multiblock reads?!
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tanelpoder.com
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14 years ago
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eng
When you troubleshoot an Oracle (performance) problem you usually want to find out what are the problem sessions doing (wrong) and then why are they doing it. The “what” question is usually answered using some wait interface based method – like ASH or SQL*Trace, which both add plenty of extra details to the plain wait event data. My normal session troubleshooting data collection sequence consists of only three steps: Interpret se..
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Hi, I haven’t really talked about stats very much for the application. I thought this would be a good time to do just that. Thanks to everyone who has downloaded the app and continues to use it. As always, get in touch with any and all feedback and hopefully we can continue to make the app great. Headline figures are 200k downloads and 2,000,000+ sessions (since using flurry). Never expected this when I started working on this as a st..
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I dug up some old publicly listed transcripts from The Personality Forge forums. The Personality Forge is a chat bot creation website that I used to frequent on an almost religious basis between about 2004 and 2007. I worked on a chat bot who identified as a 16 year old boy who felt he was human. I wanted to make him sound as human as possible in speech and put lots of typos and grammatical errors into his keyphrases, even using some respon....
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Trawling through the logs of search queries I noticed that some people are using the Google Code Search lang syntax. An example that I spotted was the following “throw.* runtime_error lang:c++” Note the lang:c++ portion. Of couse this ended up spitting back no useful results because the lang:c++ was treated as part of the search. Well no longer is this the case. searchcode now supports the lang keyword in addition to the existing ext on..
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This post is a list of many of the reasons to use Postgres, much this content as well as how to use these features will later be curated within PostgresGuide.com . If you need to get started check out Postgres.app for Mac, or get a Cloud instance at Heroku Postgres for free UPDATE: A part 2 has been posted on Why Use Postgres Very often recently I find myself explaining why Postgres is so great. In an effort to save myself a....
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This post is a list of many of the reasons to use Postgres, much this content as well as how to use these features will later be curated within PostgresGuide.com . If you need to get started check out Postgres.app for Mac, or get a Cloud instance at Heroku Postgres for free UPDATE: A part 2 has been posted on Why Use Postgres Very often recently I find myself explaining why Postgres is so great. In an effort to save myself a....
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