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Why does running the Flask dev server run itself twice?
... code when DEBUG is false or WERKZEUG_RUN_MAIN is set, for example. Gets a bit tedious.
– Martijn Pieters♦
Jun 9 '15 at 8:54
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ListBox vs. ListView - how to choose for data binding
... "details view"). It's basically the multi-column listbox, the cousin of windows form's listview.
If you don't need the additional capabilities of ListView, you can certainly use ListBox if you're simply showing a list of items (Even if the template is complex).
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The type initializer for 'MyClass' threw an exception
...
answered Dec 9 '10 at 12:51
Fredrik MörkFredrik Mörk
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How to get the return value from a thread in python?
...taching a queue object unnecessary, which simplifies the decorator quite a bit:
_DEFAULT_POOL = ThreadPoolExecutor()
def threadpool(f, executor=None):
@wraps(f)
def wrap(*args, **kwargs):
return (executor or _DEFAULT_POOL).submit(f, *args, **kwargs)
return wrap
This will use...
How can strings be concatenated?
... - you can concatenate more than one string in one go:
>>> a='rabbit'
>>> b='fox'
>>> print '%s and %s' %(a,b)
rabbit and fox
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What's the recommended approach to resetting migration history using Django South?
...using South (0.7) and Django (1.1.2) which are starting to consume quite a bit of time in my unit tests. I would like to reset the baseline and start a fresh set of migrations. I've reviewed the South documentation , done the usual Google/Stackoverflow searching (e.g. "django south (reset OR delete...
C++类的前置申明 - C/C++ - 清泛网 - 专注C/C++及内核技术
...用前置申明后，只能使用A的指针（32位编译器占4字节，64位编译器占8字节...class A; （而非 include "A.h"，可能暂时都没有类A的定义）
使用前置申明后，只能使用A的指针（32位编译器占4字节，64位编译器占8字节），new一个A对象...
char类型移动跨平台踩过的坑 - C/C++ - 清泛网 - 专注IT技能提升
...符号处理的，但是在ARM32下被当成了无符号导致问题，ARM64正常有符号。经调查，在PC上，char类型默认为signed-char,但是在一些嵌入式设备
char强转int时，发现在x86平台下是按照有符号处理的，但是在ARM32下被当成了无符号导致问...
启动 Eclipse 弹出“Failed to load the JNI shared library jvm.dll” - ...
...ipse的版本与jre或者jdk版本不一致
对策：要么两者都安装64位的，要么都安装32位的，不能一个是32位一个是64位。
原因2的概率更大一些，原因1不太可能发生。
Eclipse JNI
char类型移动跨平台踩过的坑 - C/C++ - 清泛网 - 专注IT技能提升
...符号处理的，但是在ARM32下被当成了无符号导致问题，ARM64正常有符号。经调查，在PC上，char类型默认为signed-char,但是在一些嵌入式设备
char强转int时，发现在x86平台下是按照有符号处理的，但是在ARM32下被当成了无符号导致问...