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How to run a shell script in OS X by double-clicking?
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On OSX 10.8 and higher, an executable script whose names has either no suffix or suffix .command is by default executable from Finder, without the need to instruct Finder how to open it.
– mklement0
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How to check if an object is an array?
... do
Array.isArray(obj)
(Supported by Chrome 5, Firefox 4.0, IE 9, Opera 10.5 and Safari 5)
For backward compatibility you can add the following
# only implement if no native implementation is available
if (typeof Array.isArray === 'undefined') {
Array.isArray = function(obj) {
return Obje...
Convert hex string to int in Python
...>>> print int("0xdeadbeef", 0)
3735928559
>>> print int("10", 0)
10
(You must specify 0 as the base in order to invoke this prefix-guessing behavior; omitting the second parameter means to assume base-10.)
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connecting to MySQL from the command line
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NishantNishant
45.8k1010 gold badges9999 silver badges112112 bronze badges
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Why does csvwriter.writerow() put a comma after each character?
...owLowRepImageUploadWarning: true,
reputationToPostImages: 10,
bindNavPrevention: true,
postfix: "",
imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\...
Split string using a newline delimiter with Python
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10
data = """a,b,c
d,e,f
g,h,i
j,k,l"""
print(data.split()) # ['a,b,c', 'd,e,f', 'g,h,i', '...
How do we count rows using older versions of Hibernate (~2009)?
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310
For older versions of Hibernate (<5.2):
Assuming the class name is Book:
return (Number) s...
How can I find out a file's MIME type (Content-Type)?
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answered Feb 9 '10 at 6:25
bhupsbhups
12.3k88 gold badges4444 silver badges5656 bronze badges
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Is there a way to iterate over a dictionary?
...e alternate method (which you have to use if you're targeting Mac OS X pre-10.5, but you can still use on 10.5 and iPhone) is to use an NSEnumerator:
NSEnumerator *enumerator = [myDict keyEnumerator];
id key;
// extra parens to suppress warning about using = instead of ==
while((key = [enumerator n...