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How to tell which version of a gem a rails app is using
...gating a rails app - the prod server has two version of a specific gem installed, how can I tell which version the prod app is using?
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CSS two divs next to each other
...d="narrow">Narrow (200px)</div>
</div>
This is basically just scraping the surface of flexbox. Flexbox can do pretty amazing things.
For older browser support, you can use CSS float and a width properties to solve it.
#narrow {
float: right;
width: 200px;
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Java synchronized method lock on object, or method?
... anyway. That's a bit misleading. Synchronizing on the method is functionally equivalent to having a synchronized (this) block around the body of the method. The object "this" doesn't become locked, rather the object "this" is used as the mutex and the body is prevented from executing concurrentl...
How to avoid passing parameters everywhere in play2?
In play1, I usually get all data in actions, use them directly in views. Since we don't need to explicitly declare parameters in view, this is very easy.
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Java Error opening registry key
...er removing the "java" executables from my system32 folder, I had to reinstall the JRE. After that, my problem was solved. Thanks for the starting point.
– dangowans
Dec 24 '13 at 18:31
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C default arguments
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Not really. The only way would be to write a varargs function and manually fill in default values for arguments which the caller doesn't pass.
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How to use background thread in swift?
...syntax without some modifications. Passing QOS_CLASS_BACKGROUND didn't actually work, instead use Int(QOS_CLASS_BACKGROUND.value).
For more information see Apples documentation
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improve thi...
What is the meaning of symbol $ in jQuery?
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You know, this REALLY should be the right answer for this question... I can't believe all those joke-y answers got all the up-votes.
– reedvoid
Aug 15 '13 at 12:59
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What are the differences between JSON and JavaScript object? [duplicate]
...al notation, but there are differences between them.
For example, in JSON all keys must be quoted, while in object literals this is not necessary:
// JSON:
{ "foo": "bar" }
// Object literal:
var o = { foo: "bar" };
The quotes are mandatory on JSON because in JavaScript (more exactly in ECMAScr...
Fatal error: Maximum execution time of 30 seconds exceeded
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Is this set only for that one script or will it affect all other scripts executed after this one on the same server?
– Nagendra Rao
Nov 22 '13 at 11:47
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