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How to convert decimal to hexadecimal in JavaScript
...mber to a hexadecimal string with:
hexString = yourNumber.toString(16);
And reverse the process with:
yourNumber = parseInt(hexString, 16);
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How can I find out if I have Xcode commandline tools installed?
...ebuild -version
will give you the xcode version, run it via Terminal command
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Python loop counter in a for loop [duplicate]
...ted to loop counters, but they were either deferred or rejected ( PEP 212 and PEP 281 ).
4 Answers
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How can I copy data from one column to another in the same table?
... This will also work if you want to transfer old value to other column and update the first one: UPDATE table SET columnA = 'new value', columnB = columnA. Like other answer says - don't forget the WHERE clause to update only what's needed.
– Carl di Ortus
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Get jQuery version from inspecting the jQuery object
...ecting the jQuery object? jQuery is dynamically getting added to my page and I cannot see any reference to it in my markup. If I inspect it in my browser's console, it's there.
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Deleting DataFrame row in Pandas based on column value
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If I'm understanding correctly, it should be as simple as:
df = df[df.line_race != 0]
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jQuery append() - return appended elements
...ngs around by first creating newHtml with jQuery(html [, ownerDocument ]), and then using appendTo(target) (note the "To" bit) to add that it to the end of #mydiv.
Because you now start with $(newHtml) the end result of appendTo('#myDiv') is that new bit of html, and the .effects(...) call will be...
How to configure Mac OS X term so that git has color? [closed]
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William Purcell's answer only enables color for the 'git diff' command. Do this to enable colors for all git commands:
$ git config --global color.ui true
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jQuery Set Select Index
...d it here.
If you would like to select a value based on the item's value and not the index of that item then you can do the following:
Your select list:
<select id="selectBox">
<option value="A">Number 0</option>
<option value="B">Number 1</option>
<o...
How to tell if rails is in production?
...ed script/server -e production to start rails in production mode. It did and I got no errors. However how do I tell if it is in production mode? I tried a non-existent route, and I got a similar error page I did in development.
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