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How to overload functions in javascript?
...by checking the type, presence or quantity of arguments.
jQuery does this all the time. You can make some of the arguments optional or you can branch in your function depending upon what arguments are passed to it.
In implementing these types of overloads, you have several different techniques yo...
Is it possible to set the equivalent of a src attribute of an img tag in CSS?
...urse you can use padding-left /
padding-top to make rectangular images.
Finally, the new image is put there using background.
If the new background image is too large or too small, I recommend using background-size for example: background-size:cover; which fits your image into the allotted space.
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Detect blocked popup in Chrome
I am aware of javascript techniques to detect whether a popup is blocked in other browsers (as described in the answer to this question ). Here's the basic test:
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MySQL query to get column names?
I'd like to get all of a mysql table's col names into an array in php?
21 Answers
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When to use reinterpret_cast?
...time hence the word static . This is the cast the C++ compiler uses internally for implicit casts also.
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Alias with variable in bash [duplicate]
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I'd create a function for that, rather than alias, and then exported it, like this:
function tail_ls { ls -l "$1" | tail; }
export -f tail_ls
Note -f switch to export: it tells it that you are exporting a function. Put this in your .b...
How to open a file for both reading and writing?
...Note that the documentation for a states 'on some Unix systems, means that all writes append to the end of the file regardless of the current seek position'. In this case the f.seek(0) won't work as expected. I just fell foul of this on Linux.
– Graeme
Jun 25 '...
How to delete the contents of a folder?
...se an other filter in you path, for example : /YOU/PATH/*.txt for removing all text files in a directory.
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Find all files with name containing string
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Use find:
find . -maxdepth 1 -name "*string*" -print
It will find all files in the current directory (delete maxdepth 1 if you want it recursive) containing "string" and will print it on the screen.
If you want to avoid file containing ':', you can type:
find . -maxdepth 1 -name "*string*...
How to write to file in Ruby?
...rs cleaning up outdated questions and answers. Makes for a better site overall.
– jdl
Oct 11 '12 at 16:43
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