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How to forward declare a template class in namespace std?
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edited Oct 2 '13 at 19:50
answered Oct 7 '10 at 6:41
Jon ...
What's the difference between disabled=“disabled” and readonly=“readonly” for HTML form input fields
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answered Oct 11 '11 at 18:30
oezioezi
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How do I reflect over the members of dynamic object?
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answered Oct 26 '11 at 1:01
jbtulejbtule
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How to get process ID of background process?
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605
You need to save the PID of the background process at the time you start it:
foo &
FOO_PID...
When to use a key/value store such as Redis instead/along side of a SQL database?
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102
I can't seem to figure out when it's time to use it in an application.
I would recommend y...
How to find nth occurrence of character in a string?
...ng substr, int n) {
int pos = str.indexOf(substr);
while (--n > 0 && pos != -1)
pos = str.indexOf(substr, pos + 1);
return pos;
}
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Checking if a key exists in a JavaScript object?
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edited Oct 10 '19 at 18:56
answered Jul 8 '09 at 15:51
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What is the difference between Modal and Push segue in Storyboards?
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answered Feb 22 '12 at 10:21
LJ WilsonLJ Wilson
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Why does int num = Integer.getInteger(“123”) throw NullPointerException?
... of the Puzzlers: Schlock and Awe (TS-5186), Josh Bloch and Neal Gafter's 2009 JavaOne Technical Session presentation. Here's the concluding slide:
The Moral
Strange and terrible methods lurk in libraries
Some have innocuous sounding names
If your code misbehaves
Mak...
MySQL select 10 random rows from 600K rows fast
How can I best write a query that selects 10 rows randomly from a total of 600k?
26 Answers
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