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Why do I have to access template base class members through the this pointer?
...gning to an rvalue). If it is wrong, this error must be diagnosed in phase 1, it's defined by the standard to be an error in the template, not in some particular instantiation of it. Even if the template is never instantiated, if A is an int then the above code is ill-formed and must be diagnosed, j...
Checking if a folder exists (and creating folders) in Qt, C++
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answered Feb 11 '10 at 2:22
Kyle LutzKyle Lutz
7,49822 gold badges1717 silver badges2121 bronze badges
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best way to preserve numpy arrays on disk
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edited Apr 14 '15 at 15:00
answered Mar 8 '12 at 15:02
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Network tools that simulate slow network connection [closed]
...b pages response time for several Internet connections types (DSL, Cable, T1, dial-up etc.) while my browser and web server are on the same LAN or even on the same machine. Are there any simple network tools or browser plug-ins that slow down network bandwidth to simulate different real-world connec...
Update Angular model after setting input value with jQuery
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12 Answers
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BigDecimal setScale and round
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214
One important point that is alluded to but not directly addressed is the difference between "pr...
In Gradle, is there a better way to get Environment Variables?
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answered Mar 24 '12 at 23:58
thoredgethoredge
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How are feature_importances in RandomForestClassifier determined?
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There are indeed several ways to get feature "importances". As often, there is no strict conse...
Create a tar.xz in one command
...ember to man tar :)
tar cfJ <archive.tar.xz> <files>
Edit 2015-08-10:
If you're passing the arguments to tar with dashes (ex: tar -cf as opposed to tar cf), then the -f option must come last, since it specifies the filename (thanks to @A-B-B for pointing that out!). In that case, the...
What column type/length should I use for storing a Bcrypt hashed password in a Database?
...Encoding alphabet) consisting of:
22 characters of salt (effectively only 128 bits of the 132 decoded bits)
31 characters of encrypted output (effectively only 184 bits of the 186 decoded bits)
Thus the total length is 59 or 60 bytes respectively.
As you use the 2a format, you’ll need 60 bytes...