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What does the “===” operator do in Ruby? [duplicate]
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BTW, === isn't reflexive either : String === String # => false so it doesn't have any of the 3 basic properties required for equalities.
– Eric Duminil
Apr 3 '17 at 14:15
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What does the property “Nonatomic” mean?
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If you specify "atomic", the generated access functions have some extra code to guard against simultaneous updates.
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HTML+CSS: How to force div contents to stay in one line?
...ple of things here, you need overflow: hidden if you don't want to see the extra characters poking out into your layout.
Also, as mentioned, you could use white-space: pre (see EnderMB) keeping in mind that pre will not collapse white space whereas white-space: nowrap will.
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How to do scanf for single char in C [duplicate]
...blem is to put a blank space before the conversion specifier in the format string:
scanf(" %c", &c);
The blank in the format string tells scanf to skip leading whitespace, and the first non-whitespace character will be read with the %c conversion specifier.
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PHP + curl, HTTP POST sample code?
... CURLOPT_RETURNTRANSFER means that curl_exec will return the response as a string rather than outputting it.
– bnp887
Dec 28 '16 at 14:27
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How to run a PowerShell script from a batch file
... New-Item -Path . -Name "Test.txt" -ItemType "file" -Value "This is a text string." -Force > "%WD%PSHELLFILE.ps1"
ECHO add-content -path "./Test.txt" -value "`r`nThe End" >> "%WD%PSHELLFILE.ps1"
powershell.exe -ExecutionPolicy Bypass -File "%WD%PSHELLFILE.ps1"
del "%WD%PSHELLFILE.ps1"
Las...
How to pass command line arguments to a shell alias? [duplicate]
...you are using double quotes the $1 is actually being evaluated to an empty string and the alias is actually the same as alias serve="python -m SimpleHTTPServer" and so whatever you pass after that alias is ALSO passed on the command line. If you try this set -x; alias serve="python -m SimpleHTTPSe...
Copy files from one directory into an existing directory
...opies it to the target, then returns back to whence ever you started.
The extra fussing is to handle relative or absolute targets.
(This doesn't rely on subtle semantics of the cp command itself ... about how it handles source specifications with or without a trailing / ... since I'm not sure thos...
Override console.log(); for production [duplicate]
...e these console methods accept multiple arguments, at the cost of a little extra complexity we could support that by calling oldCons.log.apply(arguments)
– python1981
Jan 28 '18 at 12:46
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VB.NET equivalent to C# var keyword [duplicate]
...licitly (like the C# var) keyword.
Dim foo = "foo"
foo is declared as a String.
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