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Should __init__() call the parent class's __init__()?
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In Python, calling the super-class' __init__ is optional. If you call it, it is then also optional whether to use the super identifier, or whether to explicitly name the super class:
object.__init__(self)
In case of object, calling the super method is not st...
final keyword in method parameters [duplicate]
... you're required to declare it final --otherwise it will result in compile error--, namely passing them through into anonymous classes. Basic example:
public FileFilter createFileExtensionFilter(final String extension) {
FileFilter fileFilter = new FileFilter() {
public boolean accept(F...
Execute bash script from URL
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$ sudo bash <(curl -s xxx) got error: bash: /dev/fd/63: Bad file descriptor
– Jake
Nov 9 '15 at 6:49
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Mockito + PowerMock LinkageError while mocking system class
....*", "javax.net.ssl.*"})
Adding that to the top of my class resolved the error.
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phpcms v9内容页/下载页更新时间（updatetime）为空的解决方法 - 更多技术 ...
.../content/content.php
public function add() {
if(isset($_POST['dosubmit']) || isset($_POST['dosubmit_continue'])) {
define('INDEX_HTML',true);
$catid = $_POST['info']['catid'] = intval($_POST['info']['catid']);
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Is it possible to install another version of Python to Virtualenv?
...igure --prefix=/home/<user>/.localpython in fact make clean returned error. 2. virtualenv name -p=/python/path didn't worked instead virtualenv name -p /python/path did worked. I assume it's down to virtualenv version. cheers!
– zzart
Mar 26 '12 at 12:37...
Quickest way to convert a base 10 number to any base in .NET?
...nts) converting 46655 to base 36. This is caused by a small floating-point error calculating Math.Log(46656, 36) which is exactly 3, but .NET returns 3 + 4.44e-16, which causes an extra character in the output buffer.
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Run cron job only if it isn't already running
...on job as a sort of watchdog for a daemon that I've created. If the daemon errors out and fails, I want the cron job to periodically restart it... I'm not sure how possible this is, but I read through a couple of cron tutorials and couldn't find anything that would do what I'm looking for...
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How does Apple know you are using private API?
...ist all linked symbols. This can detect
Undocumented C functions such as _UIImageWithName;
Objective-C classes such as UIProgressHUD
Ivars such as UITouch._phase (which could be the cause of rejection of Three20-based apps last few months.)
3. Listing Objective-C selectors, or strings
Objective...
Converting Dictionary to List? [duplicate]
...ied to access the list resulting from dictlist=dict.items(), I then got an error trying to access it like a list: dictlist[i][1]. Python3 doc says: ~~~~ "The objects returned by dict.keys(), dict.values() and dict.items() are view objects. They provide a dynamic view on the dictionary’s entries, ...