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Check difference in seconds between two times
Hi all I am currently working on a project where when a certain event happens details about the event including the time that the event occurred is added into a list array.
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What does void* mean and how to use it?
...a pointer to a function that compares two elements of the array. It gets called like so:
int iArr[10];
double dArr[30];
long lArr[50];
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qsort(iArr, sizeof iArr/sizeof iArr[0], sizeof iArr[0], compareInt);
qsort(dArr, sizeof dArr/sizeof dArr[0], sizeof dArr[0], compareDouble);
qsort(lArr, sizeof...
How to split a string in Java
... bracket [, the opening curly brace {, These special characters are often called "metacharacters".
So, if you want to split on e.g. period/dot . which means "any character" in regex, use either backslash \ to escape the individual special character like so split("\\."), or use character class [] t...
Is Java's assertEquals method reliable?
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You should always use .equals() when comparing Strings in Java.
JUnit calls the .equals() method to determine equality in the method assertEquals(Object o1, Object o2).
So, you are definitely safe using assertEquals(string1, string2). (Because Strings are Objects)
Here is a link to a great Sta...
Rails 4: how to use $(document).ready() with turbo-links
...he ready( function($) { won't get executed (because the page doesn't actually load again). Good explanation: here .
19 A...
How to make vi redraw screen?
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In vim, ^R is always redo.
– We Are All Monica
Nov 16 '18 at 23:45
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Microsoft.WebApplication.targets was not found, on the build server. What's your solution?
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cant we just install MSBuild tools instead of this? microsoft.com/en-us/download/confirmation.aspx?id=40760
– user20358
Dec 8 '14 at 17:05
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Adding HTML entities using CSS content
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Update: PointedEars mentions that the correct stand in for   in all css situations would be
'\a0 ' implying that the space is a terminator to the hex string and is absorbed by the escaped sequence. He further pointed out this authoritative description which sounds like a good solution to...
How can I lookup a Java enum from its String value?
...or possibly any other value). I've tried the following code but it doesn't allow static in initialisers. Is there a simple way?
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Matplotlib: draw grid lines behind other graph elements
...er-td5346.html - you can use Axis.set_axisbelow(True)
(I am currently installing matplotlib for the first time, so have no idea if that's correct - I just found it by googling "matplotlib z order grid" - "z order" is typically used to describe this kind of thing (z being the axis "out of the page")...