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What does `m_` variable prefix mean?
... ^
1 error generated.
http://coliru.stacked-crooked.com/a/f38e7dbb047687ad
"m_" states for the "member". Prefix "_" is also common.
You shouldn't use it in programming languages that solve this problem by using different conventions/grammar.
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mongodb: insert if not exists
...t; db.getCollection("test").find()
{ "_id" : ObjectId("50c8e35adde18a44f284e7ac"), "a" : 1, "b" : 2, "c" : 3 }
> db.getCollection("test").ensureIndex ({"a" : 1}, {unique: true})
> db.getCollection("test").insert({a:2, b:12, c:13}) # This works
> db.getCollection("test").insert({a:1, b:...
How do I use LINQ Contains(string[]) instead of Contains(string)
...onvert the array to an IList<T>. msdn.microsoft.com/en-us/library/19e6zeyy.aspx
– spoulson
Oct 13 '08 at 1:11
T...
Escape a dollar sign in string interpolation
... answered Jun 1 '13 at 18:01
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HTML 5 Favicon - Support?
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<link rel="icon" href="path/to/favicon.png">
This icon should be 196x196 pixels in size to cover all devices that may use this icon.
To cover touch icons on mobile devices we are going to use Apple's proprietary way to cite a touch icon:
<link rel="apple-touch-icon-precomposed" href="...
phpcms与ucenter整合常见问题与解答 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...解答视频教程:http: v9.help.phpcms.cn html 2010 phpsso_install_1028 96.html常见问题与解答：1、整合完成后，在 phpcms 注册、登录均失败...视频教程: http://v9.help.phpcms.cn/html/2010/phpsso_install_1028/96.html
常见问题与解答：
1、整合完成后，在 ph...
How can I calculate an md5 checksum of a directory?
...b; touch b/file-2; touch b/file-1 $ (cd a; tar -c . | md5sum) fb29e7af140aeea5a2647974f7cdec77 - $ (cd b; tar -c . | md5sum) a3a39358158a87059b9f111ccffa1023 -
– Dieter_be
Nov 14 '11 at 13:01
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How to edit incorrect commit message in Mercurial? [duplicate]
... If you get abort: can't rebase immutable changeset 43ab8134e7af you must first flip the commit to draft: hg phase -f -d 45:c3a3a271d11c - see Mecurial Phases for more.
– Daniel Sokolowski
Sep 3 '13 at 13:13
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How to get the first column of a pandas DataFrame as a Series?
...x))
print(x.head(10))
<class 'pandas.core.series.Series'>
0 110.96
1 119.40
2 135.89
3 152.32
4 192.91
5 177.20
6 181.16
7 177.30
8 200.13
9 235.41
Name: x, dtype: float64
share
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When to use std::forward to forward arguments?
... create account1 and try to deposit into it
new cash BankAccount(0x7ffee68d96b0, cash $0)
deposit cash called BankAccount(0x7ffee68d96b0, cash $100)
BankAccount(0x7ffee68d96b0, cash $100)
# SUCCESS: account1 deposit succeeded!
delete account BankAccount(0x7ffee68d96b0, cash $100)
# create locked ac...