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How do I delete an exported environment variable?
... will load up variables from various places such as ~/.bashrc, ~/.profile, etc. Any variables you set in one terminal instance will not carry over to another. If you have a variable which seems to be set automatically every time you open terminal, try looking through the various hidden files in your...
Java String split removed empty values
... multiple separators, including whitespace characters, commas, semicolons, etc. take those in repeatable group with []+, like:
String[] tokens = "a , b, ,c; ;d, ".split( "[,; \t\n\r]+" );
you'll have 4 tokens -- a, b, c, d
leading separators in the source string need to be removed befo...
Difference between java.util.Random and java.security.SecureRandom
...dom takes Random Data from your os(they can be interval between keystrokes etc - most os collect these data store them in files - /dev/random and /dev/urandom in case of linux/solaris) and uses that as the seed. So if the small token size is okay(in case of Random), you can continue using your code...
Objective-C implicit conversion loses integer precision 'NSUInteger' (aka 'unsigned long') to 'int'
...canf : NO"
Explanation : [How it works]
Check calls to printf and scanf, etc., to make sure that the arguments supplied have types appropriate to the format string specified, and that the conversions specified in the format string make sense.
Hope it work
Other warning
objective c implicit con...
how to split the ng-repeat data with three columns using bootstrap
...ch isn't the point here. What we want is [].concat(val[1], val[2], val[3], etc), so we need apply([], val)
– m59
Jan 24 '15 at 17:08
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Inheritance and Overriding __init__ in python
...wing:
We can directly subclass built-in classes, like dict, list, tuple, etc.
The super function handles tracking down this class's superclasses and calling functions in them appropriately.
share
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How can I get the version defined in setup.py (setuptools) in my package?
...ks. You can also use ast.get_docstring() with some .split('\n')[0].strip() etc to automatically fill out description from the source. One less thing to keep in sync
– lost
Oct 11 '17 at 16:10
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Downloading all maven dependencies to a directory NOT in repository?
... @ses A standard maven build (e.g. compile, test, package, install, etc.; not sure about validate) already copies all dependencies to your local repo by default. This is not for that. Instead it's for situations where you need your app's dependencies for whatever reason. I'm using it right no...
What is 'Currying'?
...parameter, i.e.:-
let papply2 f x y = f x y
let papply3 f x y z = f x y z
etc.
A partial application will take the function and parameter(s) and return a function that requires one or more less parameters, and as the previous two examples show is implemented directly in the standard F# function d...
Getting image dimensions without reading the entire file
...using the WPF Imaging classes? System.Windows.Media.Imaging.BitmapDecoder, etc.?
I believe some effort was into making sure those codecs only read a subset of the file in order to determine header information. It's worth a check.
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