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How do I prevent 'git diff' from using a pager?
...d to avoid an error, you have to make an alias like this: git config alias.foo '!git --no-pager foo'. Somewhat confusing. Simply aliasing to '--no-pager foo' won't work.
– Jim Stewart
Oct 10 '13 at 20:20
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What is __declspec and when do I need to use it?
...ectively) a symbol from or to a DLL.
// header
__declspec(dllimport) void foo();
// code - this calls foo() somewhere in a DLL
foo();
(__declspec(..) just wraps up Microsoft's specific stuff - to achieve compatibility, one would usually wrap it away with macros)
...
Asterisk in function call
... sequence into separate arguments for the function call.
>>> def foo(a, b=None, c=None):
... print a, b, c
...
>>> foo([1, 2, 3])
[1, 2, 3] None None
>>> foo(*[1, 2, 3])
1 2 3
>>> def bar(*a):
... print a
...
>>> bar([1, 2, 3])
([1, 2, 3],)
>>...
Why dict.get(key) instead of dict[key]?
... @MustafaS: For example, suppose x = {'a':0}. Then x.get('a', 'foo') returns 0 but x.get('a') or 'foo' returns 'foo'.
– unutbu
Dec 4 '15 at 22:27
5
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Default constructor vs. inline field initialization
... better and it is.
This is less verbose and more straight :
public class Foo {
private int x = 5;
private String[] y = new String[10];
}
than the constructor way :
public class Foo{
private int x;
private String[] y;
public Foo(){
x = 5;
y = new String[10];
...
How do I use CREATE OR REPLACE?
...
There is no create or replace table in Oracle.
You must:
DROP TABLE foo;
CREATE TABLE foo (....);
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Absolute vs relative URLs
...
See this: http://en.wikipedia.org/wiki/URI_scheme#Generic_syntax
foo://username:password@example.com:8042/over/there/index.dtb;type=animal?name=ferret#nose
\ / \________________/\_________/ \__/ \___/ \_/ \_________/ \_________/ \__/
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PDB文件：每个开发人员都必须知道的 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...对于private builds，只是存储了PDB文件的全路径，例如在c:\foo下的源文件mycode.cpp，在pdb文件中存储的路径为c:\foo\mycode.cpp。对于private builds可以使用虚拟盘来增加PDB对绝对路径的依赖，例如可以使用subst.exe将源代码路径挂载为V:，在...
How to change variables value while debugging with LLDB in Xcode?
...
expr myString = @"Foo"
(lldb) help expr
Evaluate a C/ObjC/C++ expression in the current
program context, using variables currently in scope. This command
takes 'raw' input (no need to quote stuff).
Syntax: expression --...
Using global variables in a function
...t, it is assumed to be global.
>>> import dis
>>> def foo():
... global bar
... baz = 5
... print bar
... print baz
... print quux
...
>>> dis.disassemble(foo.func_code)
3 0 LOAD_CONST 1 (5)
3 STORE_FAST ...