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Xcode 4.2 - declaration of '…' will not be visible outside of this function warning
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Add #import <netinet/in.h> in Reachability.h to get away with this
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20个命令行工具监控 Linux 系统性能 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...常用用法如下：
# vmstat
procs -----------memory---------- ---swap-- -----io---- --system-- -----cpu-----
r b swpd free inact active si so bi bo in cs us sy id wa st
1 0 0 810420 97380 70628 0 0 115 4 89 79 1 6 90 3 0
3. lsof — 打开...
Open Cygwin at a specific folder
... Awesome find, thanks! I discovered that you can specify the terminal you want to open using -t, e.g., to open mintty you use chere -i -t mintty
– Kevin Condon
Mar 6 '13 at 22:57
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Given a DateTime object, how do I get an ISO 8601 date in string format?
...is gives you a date similar to 2008-09-22T13:57:31.2311892-04:00.
Another way is:
DateTime.UtcNow.ToString("o");
which gives you 2008-09-22T14:01:54.9571247Z
To get the specified format, you can use:
DateTime.UtcNow.ToString("yyyy-MM-ddTHH:mm:ssZ")
DateTime Formatting Options
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What is the difference between `let` and `var` in swift?
...nes a constant:
let theAnswer = 42
The theAnswer cannot be changed afterwards. This is why anything weak can't be written using let. They need to change during runtime and you must be using var instead.
The var defines an ordinary variable.
What is interesting:
The value of a constant does...
How to remove all MySQL tables from the command-line without DROP database permissions? [duplicate]
... do I drop all tables in Windows MySQL, using command prompt? The reason I want to do this is that our user has access to the database drops, but no access to re-creating the database itself, for this reason we must drop the tables manually. Is there a way to drop all the tables at once? Bear in min...
Get encoding of a file in Windows
...he current encoding of a text file? Sure I can write a little C# app but I wanted to know if there is something already built in?
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How do you display code snippets in MS Word preserving format and syntax highlighting?
Does anyone know a way to display code in Microsoft Word documents that preserves coloring and formatting? Preferably, the method would also be unobtrusive and easy to update.
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Reset identity seed after deleting records in SQL Server
...NO_INFOMSGS ]
Example:
DBCC CHECKIDENT ('[TestTable]', RESEED, 0);
GO
It was not supported in previous versions of the Azure SQL Database but is supported now.
Thanks to Solomon Rutzky the docs for the command are now fixed.
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Preferred Java way to ping an HTTP URL for availability
...ion, so that's not the topic here. The question is: What is the preferred way to ping a URL in java?
6 Answers
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