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How to delete a cookie?
Is my function of creating a cookie correct? How do I delete the cookie at the beginning of my program? is there a simple coding?
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jQuery get specific option tag text
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It's looking for an element with id list which has a property value equal to 2.
What you want is the option child of the list:
$("#list option[value='2']").text()
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How to find a hash key containing a matching value
Given I have the below clients hash, is there a quick ruby way (without having to write a multi-line script) to obtain the key given I want to match the client_id? E.g. How to get the key for client_id == "2180" ?
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How to detect which one of the defined font was used in a web page?
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I've seen it done in a kind of iffy, but pretty reliable way. Basically, an element is set to use a specific font and a string is set to that element. If the font set for the element does not exist, it takes the font of the parent element. So, wh...
IOS 7 Navigation Bar text and arrow color
I want to set background for Navigation Bar to be black and all colors inside it to be white .
11 Answers
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Normal arguments vs. keyword arguments
How are "keyword arguments" different from regular arguments? Can't all arguments be passed as name=value instead of using positional syntax?
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How to count TRUE values in a logical vector
...ic way to count the number of TRUE values in a logical vector? I can think of two ways:
8 Answers
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sed one-liner to convert all uppercase to lowercase?
...pper case
$ tr '[:lower:]' '[:upper:]' < input.txt > output.txt
Works using GNU sed (BSD sed doesn't support \L \U):
# Converts upper to lower case
$ sed -e 's/\(.*\)/\L\1/' input.txt > output.txt
# Converts lower to upper case
$ sed -e 's/\(.*\)/\U\1/' input.txt > output.txt
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How to create a CPU spike with a bash command
...st a designated amount of time and then stop. I'm hoping there's some trick in bash. I'm thinking some sort of infinite loop.
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Can I record/play macros in Visual Studio 2012/2013/2015/2017/2019?
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Xavier PoinasXavier Poinas
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