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Count the number of occurrences of a character in a string in Javascript
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Using Font Awesome icon for bullet points, with a single list item element
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font-family: 'FontAwesome';
content: '\f067';
margin:0 5px 0 -15px;
color: #f00;
}
Here's a blog post which explains this technique in-depth.
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NULL vs nullptr (Why was it replaced?) [duplicate]
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answered Dec 11 '13 at 3:09
Joe ZJoe Z
15.5k33 gold badges2424 silver badges3737 bronze badges
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In a Bash script, how can I exit the entire script if a certain condition occurs?
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Try this statement:
exit 1
Replace 1 with appropriate error codes. See also Exit Codes With Special Meanings.
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Why would introducing useless MOV instructions speed up a tight loop in x86_64 assembly?
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145
The most likely cause of the speed improvement is that:
inserting a MOV shifts the subsequen...
How do you post to an iframe?
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413
Depends what you mean by "post data". You can use the HTML target="" attribute on a <form /&...
Making an array of integers in iOS
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160
You can use a plain old C array:
NSInteger myIntegers[40];
for (NSInteger i = 0; i < 40; ...
How to test if a string is basically an integer in quotes using Ruby
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135
You can use regular expressions. Here is the function with @janm's suggestions.
class String
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How to get a variable value if variable name is stored as string?
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You can use ${!a}:
var1="this is the real value"
a="var1"
echo "${!a}" # outputs 'this is the real value'
This is an example of indirect parameter expansion:
The basic form of parameter expansion is ${parameter}. The value of
parameter is...