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Javascript communication between browser tabs/windows [duplicate]
...ame browser? For example, when Tab 2 starts audio playback, Tab 1 somehow knows about this and can pause it's player.
10 An...
Disable cross domain web security in Firefox
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From this answer I've known a CORS Everywhere Firefox extension and it works for me. It creates MITM proxy intercepting headers to disable CORS.
You can find the extension at addons.mozilla.org or here.
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Where do I put image files, css, js, etc. in Codeigniter?
...s,
$system_path = '../system';
$application_folder = '../application';
Now you use the public folder as base_url()."public/[YOUR ASSET FOLDER]"
Hope this helps :)
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How to return dictionary keys as a list in Python?
... generalizations (PEP 448) were introduced with Python 3.5 allowing you to now easily do:
>>> newdict = {1:0, 2:0, 3:0}
>>> [*newdict]
[1, 2, 3]
Unpacking with * works with any object that is iterable and, since dictionaries return their keys when iterated through, you can easil...
What uses are there for “placement new”?
...he lifetime of the original char objects by re-using their storage. If you now call delete[] buf the dynamic type of the object(s) pointed to no longer matches their static type so you have undefined behaviour. It is more consistent to use operator new/operator delete to allocate raw memory inteded ...
jQuery pass more parameters into callback
...lue1, value2);
}
This calls the callback and supplies a single argument. Now you want to supply an additional argument, so you wrap the callback in closure.
callbackReceiver(callback); // "Hello World", undefined
callbackReceiver(function(value) {
callback(value, "Foo Bar"); // "Hello Wor...
Is there a good reason I see VARCHAR(255) used so often (as opposed to another length)?
...ve to use its "utf8mb4" encoding. But people are much more likely to not know that and go with "utf8", and much more likely to want UTF-8 than any other encoding, so, presto, they wind up with a maximum indexable length of 255 characters in a VARCHAR. Your astoundment notwithstanding.
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Is returning null bad design? [closed]
... getItems(); // Could potentially return null.
// Two possible code paths now so harder to test.
if (c != null) {
for (Item item : c) {
// Process item.
}
}
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Xcode 4: create IPA file instead of .xcarchive
...chive tango once again and go to the Organizer to select your new archive. Now, when clicking on the Share button, the .ipa option should be enabled.
I hope this helps.
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Issue with adding common code as git submodule: “already exists in the index”
... 'git rm -r --cached --ignore-unmatch sites/theme/AwesomeTheme' HEAD
Now you can run git submodule add git@AwesomeTheme.repowhateverurlthing sites/themes/AwesomeTheme
Since the main repository has never seen anything (a.k.a index'd) in sites/themes/AwesomeTheme before, it can now create it.
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