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Is it safe to delete an object property while iterating over them?
...s code is legal and will work as expected. Browser quirks affect iteration order and delete statements in general, but not whether the OPs code will work. It's generally best only to delete the current property in the iteration - deleting other properties in the object will unpredictably cause them ...
Error: The processing instruction target matching “[xX][mM][lL]” is not allowed
...ts before the <?xml ?>
declaration. Most commonly this is a Byte Order Mark
(BOM).
Resolution:
Remove the BOM using techniques such as those suggested by the W3C
page on the BOM in HTML.
A stray <?xml ?> declaration exists within the XML content.
This can happen when XML files a...
How to wait for a number of threads to complete?
...l the respective thread has completed. Threads may complete in a different order than you joining them, but that's not a problem: when the loop exits, all threads are completed.
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fatal error LNK1112: module machine type 'x64' conflicts with target machine type 'X86'
...red this maddening problem, and finally yanked my system back into working order.
These are the things to check, in this order:
Check your properties options in your linker settings at: Properties > Configuration Properties > Linker > Advanced > Target Machine. Select MachineX64 if yo...
How do I access properties of a javascript object if I don't know the names?
...ey);
}
}
As you noted, keys are not guaranteed to be in any particular order. Note how this differs from the following:
for each (var value in data) {
console.log(value);
}
This example loops through values, so it would log Property Name and 0. N.B.: The for each syntax is mostly only suppo...
Remove files from Git commit
...ft HEAD^
or
git reset --soft HEAD~1
Then reset the unwanted files in order to leave them out from the commit:
git reset HEAD path/to/unwanted_file
Now commit again, you can even re-use the same commit message:
git commit -c ORIG_HEAD
...
How to use the TextWatcher class in Android?
...er interface has 3 callbacks methods which are all called in the following order when a change occurred to the text:
beforeTextChanged(CharSequence s, int start, int count, int after)
Called before the changes have been applied to the text.
The s parameter is the text before any change is applied....
html5 - canvas element - Multiple layers
...ever you want with them and at the end just render their content in proper order at destination canvas using drawImage on context.
Example:
/* using canvas from DOM */
var domCanvas = document.getElementById('some-canvas');
var domContext = domCanvas.getContext('2d');
domContext.fillRect(50,50,150...
Best way to resolve file path too long exception
...s defined as 260 characters. A local
path is structured in the following order: drive letter, colon,
backslash, name components separated by backslashes, and a terminating
null character. For example, the maximum path on drive D is "D:\some
256-character path string<NUL>" where "<NU...
How do I merge two dictionaries in a single expression in Python (taking union of dictionaries)?
... example). Even if your values are hashable, since sets are semantically unordered, the behavior is undefined in regards to precedence. So don't do this:
>>> c = dict(a.items() | b.items())
This example demonstrates what happens when values are unhashable:
>>> x = {'a': []}
>&g...