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How does the bitwise complement operator (~ tilde) work?
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Isn't 11111101 == decimal 253 vs -3?
– AKS
Aug 7 '16 at 10:00
10
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How do I compare two strings in Perl?
...two strings are the same?
Perl doesn't have distinct data types for text vs. numbers. They are both represented by the type "scalar". Put another way, strings are numbers if you use them as such.
if ( 4 == "4" ) { print "true"; } else { print "false"; }
true
if ( "4" == "4.0" ) { print "true";...
How to compare types
... answered Mar 30 '11 at 7:03
GvSGvS
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Change IPython/Jupyter notebook working directory
...eeded. It was a way to make a Unicode string in Python 2 (try type(u'bla') vs type('bla'). In Python 3 it's the same thing as the string expression without u (as all strings are Unicode).
– metakermit
Mar 9 '16 at 14:08
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Received an invalid column length from the bcp client for colid 6
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I got this error message with a much more recent ssis version (vs 2015 enterprise, i think it's ssis 2016). I will comment here because this is the first reference that comes up when you google this error message. I think it happens mostly with character columns when the source charact...
How to keep index when using pandas merge
... columns, the DataFrame indexes *will be ignored*. Is one of using indices vs. columns has precedence?
– Itamar Katz
Jan 22 at 9:56
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How to scroll the window using JQuery $.scrollTo() function
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To get around the html vs body issue, I fixed this by not animating the css directly but rather calling window.scrollTo(); on each step:
$({myScrollTop:window.pageYOffset}).animate({myScrollTop:300}, {
duration: 600,
easing: 'swing',
step: f...
C# equivalent to Java's charAt()?
...Reference: http://msdn.microsoft.com/en-us/library/system.string.chars%28v=VS.71%29.aspx
The above is same as using indexers in c#.
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Detecting iOS / Android Operating system
... Note that this is a bit of a heavy import (~23kb) for just checking iOS vs. Android.
– jessepinho
Mar 18 '19 at 16:40
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bash: mkvirtualenv: command not found
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Setting WORKON_HOME to "~/.virtualenvs" (default value) allows to set private virtualenvs
– Pierre de LESPINAY
Aug 19 '14 at 12:55
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