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Where is my Django installation?
...nswered Aug 12 '11 at 8:31
Uku LoskitUku Loskit
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Why should C++ programmers minimize use of 'new'?
...ith no apparent benefit.
Why you should use automatic storage as often as possible
Basically, the last paragraph sums it up. Using automatic storage as often as possible makes your programs:
faster to type;
faster when run;
less prone to memory/resource leaks.
Bonus points
In the referenced quest...
Process escape sequences in a string in Python
...))
UnicodeEncodeError: 'latin-1' codec can't encode character '\u0151'
in position 3: ordinal not in range(256)
Adding a regular expression to solve the problem
(Surprisingly, we do not now have two problems.)
What we need to do is only apply the unicode_escape decoder to things that we are cert...
Best way to determine user's locale within browser
...as the user's preferred language(s). On IE you instead get systemLanguage (OS installed language), browserLanguage (same as language) and userLanguage (user configured OS region), which are all similarly unhelpful.
If I had to choose between those properties, I'd sniff for userLanguage first, falli...
How can I launch multiple instances of MonoDevelop on the Mac?
...ew MonoDevelop instance to work on a different project on the Mac, and the OS is currently preventing me from opening a new instance.
...
close vs shutdown socket?
In C, I understood that if we close a socket, it means the socket will be destroyed and can be re-used later.
9 Answers
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ThreadXxx.h:100: error: ‘pthread_t’ was not declared in this scope -...
pthread_t在头文件/usr/include/bits/pthreadtypes.h中定义:typedef unsigned long int pthread_t;复制代码它是一个线程的标识符。
#include <pthread.h> 解决。
c++编译错误:invalid new-expression of abstract class type - c++1y / s...
出现这个错误原因是new 了一个抽象类出错,说明父类(接口)中有纯虚函数没有实现。
接口里的纯虚函数全部需要实现,这样才能new 子类。
纯虚函数例如 void fun() = 0; 是纯虚函数,不是纯虚函数不作要求。
另外...
What does if __name__ == “__main__”: do?
...ightly different code sample to explore how imports and scripts work. Suppose the following is in a file called foo.py.
# Suppose this is foo.py.
print("before import")
import math
print("before functionA")
def functionA():
print("Function A")
print("before functionB")
def functionB():
p...
Singletons vs. Application Context in Android?
Recalling this post enumerating several problems of using singletons
and having seen several examples of Android applications using singleton pattern, I wonder if it's a good idea to use Singletons instead of single instances shared through global application state (subclassing android.os.Applicat...
