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Onclick javascript to make browser go back to previous page?
... this in your input element
<input
action="action"
onclick="window.history.go(-1); return false;"
type="submit"
value="Cancel"
/>
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Exporting APK from eclipse (ADT) silently crashes
...e an Ant build.xml from your Eclipse project more info in official Android docs
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Unresolved external symbol on static class members
...also initialize a static member
unsigned char test::X = 4;
and again, you do that in the definition (usually in a CXX file) not in the declaration (which is often in a .H file)
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What does 'synchronized' mean?
...re than one thread, all reads or
writes to that object's variables are
done through synchronized methods.
In a very, very small nutshell: When you have two threads that are reading and writing to the same 'resource', say a variable named foo, you need to ensure that these threads access the va...
Type erasure techniques
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All type erasure techniques in C++ are done with function pointers (for behaviour) and void* (for data). The "different" methods simply differ in the way they add semantic sugar. Virtual functions, e.g., are just semantic sugar for
struct Class {
struct vtabl...
Convert timestamp to readable date/time PHP
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strtotime makes a date string into a timestamp. You want to do the opposite, which is date. The typical mysql date format is date('Y-m-d H:i:s'); Check the manual page for what other letters represent.
If you have a timestamp that you want to use (apparently you do), it is the seco...
How to properly use unit-testing's assertRaises() with NoneType objects? [duplicate]
...you can use the ability of assertRaises to be use as a context manager and do:
with self.assertRaises(TypeError):
self.testListNone[:1]
If you are using python2.6 another way beside the one given until now is to use unittest2 which is a back port of unittest new feature to python2.6, and you ...
Fast stable sorting algorithm implementation in javascript
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@Vjeux since this is getting to be a popular, do you mind pasting the relevant code into this answer? It would help a lot! thanks!
– William Casarin
Jun 30 '19 at 15:50
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Read logcat programmatically within application
...ee answer stackoverflow.com/a/59511458/1185087 it's using coroutines which don't block the UI thread.
– user1185087
Dec 28 '19 at 13:49
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What does the smiley face “:)” mean in CSS?
... pink; /* IE7 and earlier */
}
However that's not a good idea, they don't validate. You always feel free to work with Conditional comments for targeting specific versions of IE:
<!--[if lte IE 8]><link rel="stylesheet" href="ie-8.css"><![endif]-->
<!--[if lte IE 7]>&l...