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Google Guava vs. Apache Commons [closed]

...n (which is a major drawback for a collections API in my opinion) and generally seems to be in a maintenance/don't-do-too-much-work-on-it mode Recently Commons Collections has picked up some steam again, but it has some catching up to do.. If download size/memory footprint/code size is an issue the...
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TransactionManagementError “You can't execute queries until the end of the 'atomic' block” while usi

...ementError when trying to save a Django User model instance and in its post_save signal, I'm saving some models that have the user as the foreign key. ...
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How do I resolve configuration errors with Nant 0.91?

...xtracted from the Nant 0.91 archive. (This made no sense to me until I actually tried it, but it does actually work...) Source : http://surfjungle.blogspot.com/2011/11/tip-running-nant-091-on-windows-7.html I found that the problem was Windows 7 security related in that the downloaded NAnt 0.91...
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Copy array by value

...5]; let newArray = oldArray.slice(); console.log({newArray}); Basically, the slice() operation clones the array and returns a reference to a new array. Also note that: For references, strings and numbers (and not the actual object), slice() copies object references into the new array. Both t...
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What scalability problems have you encountered using a NoSQL data store? [closed]

... I've switched a small subproject from MySQL to CouchDB, to be able to handle the load. The result was amazing. About 2 years ago, we've released a self written software on http://www.ubuntuusers.de/ (which is probably the biggest German Linux...
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Python set to list

...k that you didn't overwrite list by accident: >>> assert list == __builtins__.list share | improve this answer | follow | ...
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When and why I should use session_regenerate_id()?

... And what appends if the hacker do the 20th call ? Session ID is changed and he is the only one to own the session ;)) – fred727 Oct 6 '15 at 10:59 ...
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Warning: mysql_connect(): [2002] No such file or directory (trying to connect via unix:///tmp/mysql.

...aybe good to mention: When using MAMP like me you have to uncheck the box "Allow local access only" – soupdiver Jan 21 '13 at 17:23 ...
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Why are static variables considered evil?

...ate world. Recently I've developed an application using Groovy and Java. All through the code I wrote used quite a good number of statics. I was asked by the senior technical lot to cut down on the number of statics used. I've googled about the same, and I find that many programmers are fairly aga...
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What database does Google use?

...le has successfully provided a flexible, high-performance solution for all of these Google products. Some features fast and extremely large-scale DBMS a sparse, distributed multi-dimensional sorted map, sharing characteristics of both row-oriented and column-oriented databases. designed to...