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Xcode Simulator: how to remove older unneeded devices?
... path /Library/Developer/CoreSimulator/Profiles/Runtimes. Restart Xcode in order to take effect (may not be needed).
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jQuery callback on image load (even when the image is cached)
...code.
} ;
}) ;
Updated (to handle multiple images and with correctly ordered onload attachment):
$(document).ready(function() {
var imageLoaded = function() {
// Run onload code.
}
$('#img').each(function() {
var tmpImg = new Image() ;
tmpImg.onload = image...
How to modify existing, unpushed commit messages?
...dit any message you want to update even if it's not the latest message.
In order to do a Git squash, follow these steps:
// n is the number of commits up to the last commit you want to be able to edit
git rebase -i HEAD~n
Once you squash your commits - choose the e/r for editing the message:
Impor...
jQuery: what is the best way to restrict “number”-only input for textboxes? (allow decimal points)
...e think their keyboard is broken. perhaps subtly change the background or border colour.. just as long as the user knows that your app is actually doing something.
– nickf
May 21 '09 at 7:58
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How can I determine whether a 2D Point is within a Polygon?
...integers. Many systems use integers for UI painting (pixels are ints after all), but macOS for example uses float for everything. macOS only knows points and a point can translate to one pixel, but depending on monitor resolution, it might translate to something else. On retina screens half a point ...
How to get current date & time in MySQL?
...an change this behavior and make NOW() behave in the same way as SYSDATE() by setting sysdate_is_now command line argument to True.
Note that NOW() (which has CURRENT_TIMESTAMP() as an alias), differs from SYSDATE() in a subtle way:
SYSDATE() returns the time at which it executes. This differs from...
JavaScript closure inside loops – simple practical example
...pport let but get the above wrong (they don't create a new i each time, so all the functions above would log 3 like they would if we used var). Edge 14 finally gets it right.
ES5.1 solution: forEach
With the relatively widespread availability of the Array.prototype.forEach function (in 2015), it's ...
Are std::vector elements guaranteed to be contiguous?
...stion is simple: are std::vector elements guaranteed to be contiguous? In order word, can I use the pointer to the first element of a std::vector as a C-array?
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How to solve Permission denied (publickey) error when using Git?
...
This did it for me, too. Thanks. In order to clone my git repo onto my shared hosting account (1and1) I had to use git clone https://github.com/MyUserName/MyRepo.git Simply click on the text links beneath the repo URL to the right of the Github page where...
How does a public key verify a signature?
... add a digital signature to a document using his/her private key to essentially obtain a hash of the document, but what I do not understand is how the public key can be used to verify that signature.
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