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Getting “unixtime” in Java
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The Java 32-bit int matches 32-bit platforms (and the year 2038 problem). 64-bit platforms use a larger time_t data type. Java dodged that bullet by using a long as the return for System.currentTimeMillis(). If you convert to int, ...
PHP - Move a file into a different folder on the server
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answered Oct 2 '13 at 14:32
Ben FortuneBen Fortune
25.8k88 gold badges7070 silver badges7373 bronze badges
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JS: Check if date is less than 1 hour ago?
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edited Feb 27 at 10:32
answered Mar 1 '17 at 10:39
Go...
How do I get and set Environment variables in C#?
...hat to happen...that means folders in the path such as '%SystemRoot%\system32' were being re-written as 'C:\Windows\system32'. To get the un-expanded path, I had to use this:
string keyName = @"SYSTEM\CurrentControlSet\Control\Session Manager\Environment\";
string existingPathFolderVariable = (str...
How to export plots from matplotlib with transparent background?
...30]: x = np.linspace(0,6,31)
In [31]: y = np.exp(-0.5*x) * np.sin(x)
In [32]: plot(x, y, 'bo-')
Out[32]: [<matplotlib.lines.Line2D at 0x3f29750>]
In [33]: savefig('demo.png', transparent=True)
Result:
Of course, that plot doesn't demonstrate the transparency. Here's a scree...
How to call C from Swift?
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– Slipp D. Thompson
Mar 20 '17 at 8:32
Updated documentation link developer.apple.com/documentation/swift/…
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UML class diagram enum
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answered Feb 2 '12 at 17:32
Tom MorrisTom Morris
9,7712828 silver badges4848 bronze badges
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What is the difference between C# and .NET?
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132
In addition to what Andrew said, it is worth noting that:
.NET isn't just a library, but also...
What would cause an algorithm to have O(log n) complexity?
...o have that log2 16 = 4. Hmmm... what about 128?
128 / 2 = 64
64 / 2 = 32
32 / 2 = 16
16 / 2 = 8
8 / 2 = 4
4 / 2 = 2
2 / 2 = 1
This took seven steps, and log2 128 = 7. Is this a coincidence? Nope! There's a good reason for this. Suppose that we divide a number n by 2 i times. Then...
Checking if a key exists in a JS object
... in obj.
– user1258361
May 15 at 20:32
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