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Function in JavaScript that can be called only once
...ut static variables that can do the work but I would like to know if there is a more elegant way to do this?
24 Answers
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Creating a copy of a database in PostgreSQL [closed]
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Postgres allows the use of any existing database on the server as a template when creating a new database. I'm not sure whether pgAdmin gives you the option on the create database dialog but you should be able to execute the following in a query window if it...
Credit card expiration dates - Inclusive or exclusive?
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It took me a couple of minutes to find a site that I could source for this.
The card is valid until the last day of the month indicated, after the last [sic]1
day of the next month; the card cannot be used to make a purchase if the
merchant attempts to obtain an authorization.
- Source...
linux: kill background task
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There's a special variable for this in bash:
kill $!
$! expands to the PID of the last process executed in the background.
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SQL error “ORA-01722: invalid number”
A very easy one for someone,
The following insert is giving me the
13 Answers
13
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Capture screenshot of active window?
I am making a screen capturing application and everything is going fine. All I need to do is capture the active window and take a screenshot of this active window. Does anyone know how I can do this?
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How do you determine the size of a file in C?
...me argument a const char.
Corrected the struct stat definition, which was missing the variable name.
Returns -1 on error instead of 0, which would be ambiguous for an empty file. off_t is a signed type so this is possible.
If you want fsize() to print a message on error, you can use this:
#includ...
Gradients in Internet Explorer 9
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answered Oct 14 '10 at 17:02
GauravGaurav
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How often should you use git-gc?
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It depends mostly on how much the repository is used. With one user checking in once a day and a branch/merge/etc operation once a week you probably don't need to run it more than once a year.
With several dozen developers working on several dozen projects each checki...
What's to stop malicious code from spoofing the “Origin” header to exploit CORS?
...rs are in control of setting the Origin header, and users can't override this value. So you won't see the Origin header spoofed from a browser. A malicious user could craft a curl request that manually sets the Origin header, but this request would come from outside a browser, and may not have brows...