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What does the leading semicolon in JavaScript libraries do?
...referred to as a leading semicolon.
Its main purpose is to protect itself from preceding code that was improperly closed, which can cause problems. A semicolon will prevent this from happening. If the preceding code was improperly closed then our semicolon will correct this. If it was properly clos...
PHP: How to check if image file exists?
...
From PHP: bool file_exists ( string $filename ) As of PHP 5.0.0, this function can also be used with some URL wrappers. Refer to Supported Protocols and Wrappers to determine which wrappers support stat() family of functional...
Android 'Unable to add window — token null is not for an application' exception
...ield:
this.getActivity().getParent()
and it works fine for me. This was from a class which extends from "Fragment":
public class filtro extends Fragment{...
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How do I animate constraint changes?
...ateWithDuration:5
animations:^{
self._addBannerDistanceFromBottomConstraint.constant = -32;
[self.view layoutIfNeeded]; // Called on parent view
}];
bannerIsVisible = FALSE;
}
- (void)moveBannerOnScreen {
[self.view layoutIfNeeded];
[UIView anim...
$(this).serialize() — How to add a value?
...t b's answer will work, you can also use .serializeArray() to get an array from the form data, modify it, and use jQuery.param() to convert it to a url-encoded form. This way, jQuery handles the serialisation of your extra data for you.
var data = $(this).serializeArray(); // convert form to array
...
How to use the TextWatcher class in Android?
...e length of the new sequence which will replace the part of the s sequence from start to start+count.
You must not change the text in the TextView from this method (by using myTextView.setText(String newText)).
onTextChanged(CharSequence s, int start, int before, int count)`
Similar to the before...
What is the default text size on Android?
...tion, I simply would like to know, what text size is "normal" for buttons. From my test, it should be something like 12sp, but I have not found any documentation on this.
...
git recover deleted file where no commit was made after the delete
... @RauliRajande It's probable that your situation is different from the one described in the original question.
– Noufal Ibrahim
Feb 15 '18 at 5:18
2
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How to only get file name with Linux 'find'?
...ical to the -exec primary with the exception that utility will be executed from the directory that holds the current file.
When used + instead of ;, then {} is replaced with as many pathnames as possible for each invocation of utility. In other words, it'll print all filenames in one line.
...
Does const mean thread-safe in C++11?
...rary may result in a data race. In conclusion, const does mean thread-safe from the Standard Library point of view. It is important to note that this is merely a contract and it won't be enforced by the compiler, if you break it you get undefined behavior and you are on your own. Whether const is pr...