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What does the exclamation mark do before the function?
...ight be tempted to try this:
function () {}()
but it results in a SyntaxError.
Using the ! operator before the function causes it to be treated as an expression, so we can call it:
!function () {}()
This will also return the boolean opposite of the return value of the function, in this case t...
Pretty printing XML with javascript
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I get an error, but the error has no message. It happens in the fiddle too, using firefox.
– Tomáš Zato - Reinstate Monica
Aug 23 '18 at 15:51
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Incompatible implicit declaration of built-in function ‘malloc’
I'm getting this error:
5 Answers
5
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What does status=canceled for a resource mean in Chrome Developer Tools?
...requests showed that subsequent requests weren't going to work (DNS lookup error, earlier (same) request resulted e.g. HTTP 400 error code, etc)
In our case we finally traced it down to one frame trying to append HTML to another frame, that sometimes happened before the destination frame even load...
How to copy files from 'assets' folder to sdcard?
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@rciovati got this runtime error Failed to copy asset file: myfile.txt java.io.FileNotFoundException: myfile.txt at android.content.res.AssetManager.openAsset(Native Method)
– likejudo
May 1 '14 at 16:22
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In a Django form, how do I make a field readonly (or disabled) so that it cannot be edited?
...led=True will cause the model to be spat back to the user with validation errors.
– Ben
Jan 11 '18 at 21:55
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Multiple variables in a 'with' statement?
...tatement now supports this
functionality directly (without the confusing error prone quirks).
See Rafał Dowgird's answer for more information.
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I want to exception handle 'list index out of range.'
...g the exception is the way to go:
try:
gotdata = dlist[1]
except IndexError:
gotdata = 'null'
Of course you could also check the len() of dlist; but handling the exception is more intuitive.
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file_put_contents - failed to open stream: Permission denied
...se a shared linux hosting, when my admin changed the php to 5.3 I got many error for the "file_put_contents" code. try to test my plan:
In your host create a file like mytest.php, and put this code in and save:
<?php mail('Your-EMail','Email-Title','Email-Message'); ?>
Open t...
Xcode “Build and Archive” from command line
...-o "${ipa_path}" must be an absolute path. Otherwise you will probably get error: Unable to create '.../...ipa' or it will be silently ignored creating. Damn it wasted me a couple of hours.
– h--n
Dec 12 '11 at 10:47
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