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Setting an int to Infinity in C++
...or 2 147 483 647) if int is 32 bits wide on your implementation.
If you really need infinity, use a floating point number type, like float or double. You can then get infinity with:
double a = std::numeric_limits<double>::infinity();
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How to Test Facebook Connect Locally
...which is ( http://localhost:xxxx/test.aspx )
So how I can test Facebook locally (i.e How I can change the callback url) ?
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How to print the contents of RDD?
...save in a single file, you can coalesce you RDD into one partition before calling saveAsTextFile, but again this may cause issues. I think the best option is to write in multiple files in HDFS, then use hdfs dfs --getmerge in order to merge the files
– Oussama
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Remove a cookie
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@machineaddict unset($_COOKIE['Hello']); is actually important if you might check the cookie somewhere later in the code.
– Andreas Hultgren
Jun 13 '14 at 12:08
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CSS @media print issues with background-color;
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Got it:
CSS:
box-shadow: inset 0 0 0 1000px gold;
Works for all boxes - including table cells !!!
(If the PDF-printer output file is to be believed..?)
Only tested in Chrome + Firefox on Ubuntu...
share
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Is Integer Immutable
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a is a "reference" to some Integer(3), your shorthand a+=b really means do this:
a = new Integer(3 + 3)
So no, Integers are not mutable, but the variables that point to them are*.
*It's possible to have immutable variables, these are denoted by the keyword final, which means that t...
Passing an array by reference
How does passing a statically allocated array by reference work?
5 Answers
5
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How can I have Github on my own server?
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Just realized it is Ruby, it's really nice though
– JasonDavis
Dec 5 '11 at 19:50
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Change priorityQueue to max priorityqueue
...unction, names its input parameters x and y and returns y-x, which is basically what the int comparator class does except it returns x-y
– Edi Bice
Jun 22 '17 at 19:44
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IOCTL Linux device driver [closed]
...l, which means "input-output control" is a kind of device-specific system call. There are only a few system calls in Linux (300-400), which are not enough to express all the unique functions devices may have. So a driver can define an ioctl which allows a userspace application to send it orders. How...