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Joins are for lazy people?
...n.
Edit: There are some rare cases where custom client code can do things more efficiently than a straightforward DB join (see comment by meriton). But this is very much the exception.
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impr...
Spinlock versus Semaphore
...e acquired by burning a few cycles spinning, this may overall very well be more efficient. Also, for realtime applications it may not be acceptable to block and wait for the scheduler to come back to them at some far away time in the future.
A semaphore, by contrast, either does not spin at all, or...
Use 'import module' or 'from module import'?
... typing mo.foo)
from module import foo
Pros:
Less typing to use foo
More control over which items of a module can be accessed
Cons:
To use a new item from the module you have to update your import statement
You lose context about foo. For example, it's less clear what ceil() does compared ...
How do I split a string so I can access item x?
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How do you change the server header returned by nginx?
...n, replacing Nginx's standard HttpHeadersModule with the forked HttpHeadersMoreModule. Recompiling the standard module is still the quick fix, and makes sense if you want to use the standard module and won't be changing the server string often. But if you want more than that, the HttpHeadersMoreModu...
jQuery.ajax handling continue responses: “success:” vs “.done”?
...ion in the ajax call. However, since the implementation of $.Deferreds and more sophisticated callbacks, done is the preferred way to implement success callbacks, as it can be called on any deferred.
For example, success:
$.ajax({
url: '/',
success: function(data) {}
});
For example, done:
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Get element from within an iFrame
...ent) ? iframe.contentDocument : iframe.contentWindow.document;
You could more simply write:
var iframe = document.getElementById('iframeId');
var innerDoc = iframe.contentDocument || iframe.contentWindow.document;
and the first valid inner doc will be returned.
Once you get the inner doc, you ...
How do I force a favicon refresh?
...at all, but not my new one. I do not think this is a Grails issue per se, more an issue with favicons.
31 Answers
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How can one display images side by side in a GitHub README.md?
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This solution is better if you want to put more images on the same line on github. I managed to put 4 on the same line with this solution but only 3 with wigging's solution.
– vinzee
Aug 4 '17 at 17:21
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Copying files using rsync from remote server to local machine
...e so /path/to/local/storage/copy. If that's what you want great. However a more common scenario is you want to copy the contents of the remote directory into a directory in your local. Then you would do /path/to/copy/ which would place the contents inside the directory /path/to/local/storage without...