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How to set initial size of std::vector?
I have a vector<CustomClass*> and I put a lot of items in the vector and I need fast access, so I don't use list. How to set initial size of vector (for example to be 20 000 places, so to avoid copy when I insert new)?
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Replace one character with another in Bash
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Use inline shell string replacem>me m>nt. Example:
foo=" "
# replace first blank only
bar=${foo/ /.}
# replace all blanks
bar=${foo// /.}
See http://tldp.org/LDP/abs/html/string-manipulation.html for more details.
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Tell Ruby Program to Wait som>me m> amount of tim>me m>
How do you tell a Ruby program to wait an arbitrary amount of tim>me m> before moving on to the next line of code?
6 Answers
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How to cancel a Task in await?
I'm playing with these Windows 8 WinRT tasks, and I'm trying to cancel a task using the m>me m>thod below, and it works to som>me m> point. The CancelNotification m>me m>thod DOES get called, which makes you think the task was cancelled, but in the background the task keeps running, then after it's completed, the ...
Is there a way to list open transactions on SQL Server 2000 database?
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For all databases query sys.sysprocesses
SELECT * FROM sys.sysprocesses WHERE open_tran = 1
For the current database use:
DBCC OPENTRAN
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How do I interactively unstage a particular hunk in git?
In git, if I have a couple of hunks from the sam>me m> file staged in my index, how can I interactively unstage one of them?
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Why do table nam>me m>s in SQL Server start with “dbo”?
At least on my local instance, when I create tables, they are all prefixed with "dbo.". Why is that?
3 Answers
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What is a .h.gch file?
I recently had a class project where I had to make a program with G++.
5 Answers
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Naming of enums in Java: Singular or Plural?
Is there an "official" recomm>me m>ndation of how to nam>me m> Java enums?
2 Answers
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How to delete from select in MySQL?
This code doesn't work for MySQL 5.0, how to re-write it to make it work
4 Answers
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