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How can you use optional parameters in C#?
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1081
Surprised no one mentioned C# 4.0 optional parameters that work like this:
public void SomeM...
Append a dictionary to a dictionary [duplicate]
...eys, the final value will be taken from extra. For example,
>>> d1 = {1: 1, 2: 2}
>>> d2 = {2: 'ha!', 3: 3}
>>> d1.update(d2)
>>> d1
{1: 1, 2: 'ha!', 3: 3}
share
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Nginx缓存解决方案：SRCache - 更多技术 - 清泛网 - 专注C/C++及内核技术
...表一表Nginx配置文件长啥样：
lua_shared_dict phoenix_status 100m;
lua_package_path '/path/to/phoenix/include/?.lua;/path/to/phoenix/vendor/?.lua;;';
init_by_lua_file /path/to/phoenix/config.lua;
server {
listen 80;
server_name foo.com;
root /path/to/root;
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Is there any way to view the currently mapped keys in Vim?
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answered Oct 4 '11 at 2:38
mattr-mattr-
4,29322 gold badges2121 silver badges2828 bronze badges
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Convert a String In C++ To Upper Case
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edited Jul 31 at 6:54
ana
3766 bronze badges
answered Apr 9 '09 at 17:47
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Is the “struct hack” technically undefined behavior?
...arently accessible with the given subscript (as in the lvalue expression a[1][7] given the declaration int a[4][5]) (6.5.6).
Paragraph 8 of Section 6.5.6 Additive operators has another mention that access beyond defined array bounds is undefined:
If both the pointer operand and the result p...
Print function log /stack trace for entire program using firebug
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218
Firefox provides console.trace() which is very handy to print the call stack. It is also avail...
Appending to an empty DataFrame in Pandas?
...ata = pd.DataFrame({"A": range(3)})
>>> df.append(data)
A
0 0
1 1
2 2
But the append doesn't happen in-place, so you'll have to store the output if you want it:
>>> df
Empty DataFrame
Columns: []
Index: []
>>> df = df.append(data)
>>> df
A
0 0
1 1
2 ...
MacOSX homebrew mysql root password
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116
Just run this command (where NEWPASS is your password):
$(brew --prefix mysql)/bin/mysqladmin...
Can gcc output C code after preprocessing?
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edited Mar 27 '18 at 21:40
Gray
106k2020 gold badges258258 silver badges325325 bronze badges
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