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Executing command line programs from within python [duplicate]
...n os.system.
import subprocess
#subprocess.check_output(['ls', '-l']) # All that is technically needed...
print(subprocess.check_output(['ls', '-l']))
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How do I check if an object has a key in JavaScript? [duplicate]
...the inverse.
if (!('key' in myObj))
Be careful! The in operator matches all object keys, including those in the object's prototype chain.
Use myObj.hasOwnProperty('key') to check an object's own keys and will only return true if key is available on myObj directly:
myObj.hasOwnProperty('key')
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Generic method with multiple constraints
...ch constraint rather than separating them with a comma:
public TResponse Call<TResponse, TRequest>(TRequest request)
where TRequest : MyClass
where TResponse : MyOtherClass
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Delete a line in Eclipse
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Ctrl + D
From Help->Key Assist... there are all kinds of useful keyboard shortcuts for Eclipse.
For Mac users: ⌘ + D
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How to get a path to the desktop for current user in C#?
...ronment.GetFolderPath(Environment.SpecialFolder.CommonApplicationData); // All User's Application Data
Environment.GetFolderPath(Environment.SpecialFolder.CommonProgramFiles); // Program Files
Environment.GetFolderPath(Environment.SpecialFolder.Cookies); // Internet Cookie
Environment.GetFolderPath(...
Disable spell checking on IntelliJ IDEA
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actually, alt+enter then "correct word" then "disable" works fine too
– Ven
Jul 1 '13 at 17:10
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Best C++ Code Formatter/Beautifier
...tyles can be per directory - the closest such file in parent directories shall be used for a particular file.
Styles can be inherited from a preset (say LLVM or Google) and can later override different options
It is used by Google and others and is production ready.
Also look at the project Uni...
Determining if a variable is within range?
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between? would need two parameters it would not allow range.
– Manish Nagdewani
Nov 16 '16 at 13:12
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What's the use of do while(0) when we define a macro? [duplicate]
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As Amo said, it's a clever trick that allows a macro to be a C statement that must end with a semicolon. It makes the macro act exactly like a function call, so far as statement construction and termination (with ';') is concerned.
– Eddie
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What's the regular expression that matches a square bracket?
...hat matches a square bracket [ . I haven't found one yet. I think I tried all possibilities, but haven't found the right one. What is a valid regex for this?
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