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Minimum and maximum value of z-index?
...value in the CSS standard, but I guess most browsers limit it to signed 32-bit values (−2147483648 to +2147483647) in practice (64 would be a little off the top, and it doesn't make sense to use anything less than 32 bits these days)
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Relationship between SciPy and NumPy
... by my comment above. Importing SciPy when only NumPy is needed might be a bit overkill. On the other hand, NumPy is imported when SciPy is loaded, so there is no need to import NumPy in addition to SciPy. Off course, there are good arguments for following the documentation, so feel free to do what ...
Is gcc 4.8 or earlier buggy about regular expressions?
... std::regex in a C++11 piece of code, but it appears that the support is a bit buggy. An example:
3 Answers
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Java regex email
...ex on one of my projects couple of years ago, but I forgot that it needs a bit of polishing to flatten and properly escape it. Actually IntelliJ does a nice job in automatically escaping of an expression pasted inside double quotes.
– ejboy
Mar 11 '13 at 15:24
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win10 启动文件夹在哪？ - 更多技术 - 清泛网 - 专注C/C++及内核技术
win10 启动文件夹在哪？Win7 启动在开始菜单中，很方便，不过Win10的开始菜单中是没有的。C: Users xxx AppData Roaming Microsoft Windows Start Menu Programs...Win7 启动在开始菜单中，很方便，不过Win10的开始菜单中是没有的。
C:\Users\x...
I want to delete all bin and obj folders to force all projects to rebuild everything
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Hmm that's odd - it works fine on my machine (vista 64bit business) - I'll try it on an xp machine too.
– Steve Willcock
Apr 16 '09 at 12:53
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Bulk package updates using Conda
...l the available versions of each installed AND outdated package, that is a bit too much in many cases,,, Personally I prefer to use conda update --all, that shows what's going to be installed and prompts for confirmation: you reply N and you have a compact list of outdated packages.
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How to change the type of a field?
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And if you need to convert string (or "normal" 32-bit integer) to 64-bit integer, use NumberLong as here: db.db-name.find({field-name : {$exists : true}}).forEach( function(obj) { obj.field-name = new NumberLong(obj.field-name); db.db-name.save(obj); } );
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Maximum length for MD5 input/output
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MD5 processes an arbitrary-length message into a fixed-length output of 128 bits, typically represented as a sequence of 32 hexadecimal digits.
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Optimise PostgreSQL for fast testing
...s as fsync=off without the giant data corruption risk. You do have a small window of loss of recent data if you enable async commit - but that's it.
If you have the option of slightly altering the DDL, you can also use UNLOGGED tables in Pg 9.1+ to completely avoid WAL logging and gain a real speed...