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What is the difference between PS1 and PROMPT_COMMAND
...as a command to execute before
the printing of each primary prompt ($PS1).
I never used it, but I could have used this back when I only had sh.
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Return None if Dictionary key is not available
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curl: (60) SSL certificate problem: unable to get local issuer certificate
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edited Feb 20 at 5:17
Bret Weinraub
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answered Aug 5 '15 at...
Android OnClickListener - identify a button
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Initializing a two dimensional std::vector
..., 4));
I should also mention uniform initialization was introduced in C++11, which permits the initialization of vector, and other containers, using {}:
std::vector<std::vector<int> > fog { { 1, 1, 1 },
{ 2, 2, 2 } };
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Optimum way to compare strings in JavaScript? [duplicate]
...tring_a.localeCompare(string_b);
/* Expected Returns:
0: exact match
-1: string_a < string_b
1: string_a > string_b
*/
Further Reading:
MDN: String.prototype.localeCompare
Stack Overflow - Is there a JavaScript strcmp()?
Tutorials Point: JavaScript String - localeCompare() Metho...
Why would you use an ivar?
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Encapsulation
If the ivar is private, the other parts of the program can't get at it as easily...
How can I get column names from a table in Oracle?
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You can query the USER_TAB_COLUMNS table for table column metadata.
SELECT table_name, column...
iOS 5 fixed positioning and virtual keyboard
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edited Apr 23 '15 at 1:37
answered Mar 21 '13 at 1:23
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How do I set GIT_SSL_NO_VERIFY for specific repos only?
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