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Unloading classes in java?
... don't have their interactions clearly and rigorously defined. I think in order to actually be able to unload a class youlre going go have to remove all references to any classes(and their instances) you're trying to unload.
Most people needing to do this type of thing end up using OSGi. OSGi is ...
How to force garbage collection in Java?
...ES it is almost possible to forced you have to call to methods in the same order and at the same time this ones are:
System.gc ();
System.runFinalization ();
even if is just one object to clean the use of this two methods at the same time force the garbage collector to use the finalise() method o...
Should all Python classes extend object?
...th Python 2 and 3, in which case you need to subclass object explicitly in order to make the class behave largely the same under Python 2.
– blubberdiblub
Jan 20 '17 at 17:18
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Why is lock(this) {…} bad?
...enerally out of your control who else might be locking on that object.
In order to properly plan parallel operations, special care should be taken to consider possible deadlock situations, and having an unknown number of lock entry points hinders this. For example, any one with a reference to the o...
How to force the browser to reload cached CSS/JS files?
...it, there's no pain in figuring out which version you need to return to in order for your visitors not to re-download.
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Map to String in Java
... The string representation consists of a list of key-value mappings in the order returned by the map's entrySet view's iterator, enclosed in braces ("{}"). Adjacent mappings are separated by the characters ", " (comma and space). Each key-value mapping is rendered as the key followed by an equals si...
Optimizing away a “while(1);” in C++0x
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The relevant issue is that the compiler is allowed to reorder code whose side effects do not conflict. The surprising order of execution could occur even if the compiler produced non-terminating machine code for the infinite loop.
I believe this is the right approach. The langu...
Chrome Extension how to send data from content script to popup.html
...ution (although not very close to optimal):
In manifest.json: Change the order of the content scripts, putting jquery first. According to the relevant docs:
"js" [...] The list of JavaScript files to be injected into matching pages. These are injected in the order they appear in this array.
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Python logging: use milliseconds in time format
...nstantiating a Formatter I usually set formatter.converter = gmtime. So in order for @unutbu's answer to work in this case you'll need:
class MyFormatter(logging.Formatter):
def formatTime(self, record, datefmt=None):
ct = self.converter(record.created)
if datefmt:
s...
How to Generate unique file names in C#
... example, if you pass it test.txt, it will attempt to create files in this order:
test.txt
test (2).txt
test (3).txt
etc. You can specify the maximum attempts or just leave it at the default.
Here's a complete example:
class Program
{
static FileStream CreateFileWithUniqueName(string folde...