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What is the maximum value for an int32?
...onic: 2^10 is very near to 1000, so 2^(3*10) is 1000^3 or about 1 billion. One of the 32 bits is used for sign, so the max value is really only 2^31, which is about twice the amount you get for 2^(3*10): 2 billion.
– 16807
Dec 3 '13 at 22:24
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How do I erase an element from std::vector by index?
...ond element (vec[1])
vec.erase(vec.begin() + 1);
Or, to delete more than one element at once:
// Deletes the second through third elements (vec[1], vec[2])
vec.erase(vec.begin() + 1, vec.begin() + 3);
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How to kill a process running on particular port in Linux?
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You might want to add that one might need root privilegues to get process names via netstat.
– Jonas Schäfer
Jul 20 '12 at 16:46
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How to deep watch an array in angularjs?
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Great answer... would have given you more than one up vote if I could... :) thanks
– Jony-Y
May 28 '15 at 5:35
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Two-way encryption: I need to store passwords that can be retrieved
...e. There are some encryption schemes that are impossible to crack such as OneTimePad).
Where do I store the private key?
What I would do is use 3 keys. One is user supplied, one is application specific and the other is user specific (like a salt). The application specific key can be stored anywh...
How do I make a transparent canvas in html5?
...canvas transparent? I need to because I want to put two canvases on top of one another.
6 Answers
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UITableView set to static cells. Is it possible to hide some of the cells programmatically?
...is solution :
StaticDataTableViewController 2.0
https://github.com/xelvenone/StaticDataTableViewController
which can show/hide/reload any static cell(s) with or without animation!
[self cell:self.outletToMyStaticCell1 setHidden:hide];
[self cell:self.outletToMyStaticCell2 setHidden:hide];
[sel...
How do I kill all the processes in Mysql “show processlist”?
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You need to kill them one by one, MySQL does not have any massive kill command. You can script it in any language, for example in PHP you can use something like:
$result = mysql_query("SHOW FULL PROCESSLIST");
while ($row=mysql_fetch_array($resul...
How to get a group of toggle buttons to act like radio buttons in WPF?
... that should act like toggle buttons, but also as radio buttons where only one button can be selected / pressed down at a current time. It also need to have a state where none of the buttons are selected / pressed down.
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Rotating a two-dimensional array in Python
... array came up. Searching for the optimal solution I found this impressive one-liner that does the job:
7 Answers
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