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How can I test a Windows DLL file to determine if it is 32 bit or 64 bit? [duplicate]
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Well the example there unpacks it as a signed value - you could probably interpret is as unsigned but that would mean you've got a very large offset there. I think that would be unusual, but you should be able to verify if an unsigned o...
sizeof single struct member in C
... char text[member_size(Parent, text)];
int used;
} Child;
I'm actually a bit surprised that sizeof((type *)0)->member) is even allowed as a constant expression. Cool stuff.
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impr...
How to completely uninstall Visual Studio 2010?
...lication and
pass the following command line switches: /uninstall /force Example:
D:\vs_ultimate.exe /uninstall /force
Click the Uninstall button and follow the prompts.
Afterwards, use something like CCleaner to remove the leftover registry files.
A completely clean uninstall?
Sadly, the only (c...
Elegant ways to support equivalence (“equality”) in Python classes
When writing custom classes it is often important to allow equivalence by means of the == and != operators. In Python, this is made possible by implementing the __eq__ and __ne__ special methods, respectively. The easiest way I've found to do this is the following method:
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Setting PATH environment variable in OSX permanently
...s.
If you're using a "bash" environment (the default Terminal.app, for example), you should check out ~/.bash_profile or ~/.bashrc. There may be not that file yet, but these two files have effects on the $PATH.
If you're using a "zsh" environment (Oh-My-Zsh, for example), you should check out ~./...
Good way of getting the user's location in Android
...t: " + distance);
if (l.distanceTo(lastLocation) < minDistance && !force) {
Log.d(TAG, "Position didn't change");
return;
}
if (l.getAccuracy() >= lastLocation.getAccuracy()
&& l.distanceTo(lastLocation) < l.get...
What is a unix command for deleting the first N characters of a line?
For example, I might want to:
6 Answers
6
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php中三个等于号是什么意思?=== - PHP - 清泛IT论坛,有思想、有深度
1、=:赋值,在逻辑运算时也有效;
2、==:等于运算,但是不比较值的类型;
3、===:完全等于运算,不仅比较值,而且还比较值的类型,只有两者一致才为真。
How to create user for a db in postgresql? [closed]
...ANT ALL PRIVILEGES ON DATABASE "test_database" to tester;
template1=# \q
PHP (as tested on localhost, it works as expected):
$connString = 'port=5432 dbname=test_database user=tester password=test_password';
$connHandler = pg_connect($connString);
echo 'Connected to '.pg_dbname($connHandler...
