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Proper way to return JSON using node or Express
...hat response is a string too, if you want to send the response prettified, for some awkward reason, you could use something like JSON.stringify(anObject, null, 3)
It's important that you set the Content-Type header to application/json, too.
var http = require('http');
var app = http.createServer(fu...
Python (and Python C API): __new__ versus __init__
...nt, and (usually) returns a new instance of that type. Thus it is suitable for use with both mutable and immutable types.
__init__ accepts an instance as the first argument and modifies the attributes of that instance. This is inappropriate for an immutable type, as it would allow them to be modifi...
Xcode doesn't show the line that causes a crash
...caused the crash. In some cases that used to be normal (segmentation fault for example) but the crash I am trying to deal with is a simple SIGABRT with detailed information logged in the console:
...
Show current assembly instruction in GDB
...
You can switch to assembly layout in GDB:
(gdb) layout asm
See here for more information. The current assembly instruction will be shown in assembler window.
┌──────────────────────────────────────────...
How to len(generator()) [duplicate]
...o you can use them in loop. But they don't contain any elements, so asking for the length of a generator is like asking for the length of a function.
if functions in Python are objects, couldn't I assign the length to a
variable of this object that would be accessible to the new generator?
...
UIPanGestureRecognizer - Only vertical or horizontal
...
Just do this for the vertical pan gesture recognizer, it works for me:
- (BOOL)gestureRecognizerShouldBegin:(UIPanGestureRecognizer *)panGestureRecognizer {
CGPoint velocity = [panGestureRecognizer velocityInView:someView];
retur...
How do I get the real .height() of a overflow: hidden or overflow: scroll div?
...'m aware of .height() and innerHeight() , but none of them does the job for me in this case. The thing is that in this case I have a div that is overflown width a overflow: scroll and the div has a fixed height.
...
编译器内部的秘密--微软的编译器是如何解析Try/Catch/Throw的 - C/C++ - 清...
...hrowInfo
{
unsigned int attributes;
_PMFN pmfnUnwind;
int (__cdecl*pForwardCompat)(...);
_CatchableTypeArray *pCatachableTypeArray;
} _ThrowInfo;
结构体中重要的成员是_CatchableTypeArray。它包含了程序运行时抛出对象的类新信息(RTTI)。本文中示例非常简单...
编译器内部的秘密--微软的编译器是如何解析Try/Catch/Throw的 - C/C++ - 清...
...hrowInfo
{
unsigned int attributes;
_PMFN pmfnUnwind;
int (__cdecl*pForwardCompat)(...);
_CatchableTypeArray *pCatachableTypeArray;
} _ThrowInfo;
结构体中重要的成员是_CatchableTypeArray。它包含了程序运行时抛出对象的类新信息(RTTI)。本文中示例非常简单...
编译器内部的秘密--微软的编译器是如何解析Try/Catch/Throw的 - C/C++ - 清...
...hrowInfo
{
unsigned int attributes;
_PMFN pmfnUnwind;
int (__cdecl*pForwardCompat)(...);
_CatchableTypeArray *pCatachableTypeArray;
} _ThrowInfo;
结构体中重要的成员是_CatchableTypeArray。它包含了程序运行时抛出对象的类新信息(RTTI)。本文中示例非常简单...