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How do I measure execution time of a command on the Windows command line?
... [-m mask] [commandline...]
where: -f specifies the name of the database file where TIMEIT
keeps a history of previous timings. Default is .\timeit.dat
-k specifies the keyname to use for this timing run
-r specifies the keyname to remove from the...
Maximum length for MD5 input/output
...
The length of the message is unlimited.
Append Length
A 64-bit representation of b (the length of the message before the
padding bits were added) is appended to the result of the previous
step. In the unlikely event that b is greater than 2^64, then only
the low-ord...
Why is processing a sorted array faster than processing an unsorted array?
... of data[].)
Benchmarks: Core i7 920 @ 3.5 GHz
C++ - Visual Studio 2010 - x64 Release
// Branch - Random
seconds = 11.777
// Branch - Sorted
seconds = 2.352
// Branchless - Random
seconds = 2.564
// Branchless - Sorted
seconds = 2.587
Java - NetBeans 7.1.1 JDK 7 - x64
// Branch - Random
sec...
An efficient way to transpose a file in Bash
....stdin.readlines() if l.strip()))))" < input > output
The above is based on the following:
import sys
for c in zip(*(l.split() for l in sys.stdin.readlines() if l.strip())):
print(' '.join(c))
This code does assume that every line has the same number of columns (no padding is perform...
How can I check for NaN values?
...an too. If you constructed an actual NumPy NaN with something like np.float64('nan'), then you'd get np.float64('nan') is not np.float64('nan') too.
– user2357112 supports Monica
Apr 22 at 10:09
...
Is there a Python equivalent to Ruby's string interpolation?
...First is %s, second is %s" % (var1, var2).
– kirbyfan64sos
Nov 5 '15 at 20:07
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How to sum up elements of a C++ vector?
... vector.end(), [&] (int n) {
sum_of_elems += n;
});
Using a range-based for loop (thanks to Roger Pate):
for (auto& n : vector)
sum_of_elems += n;
share
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...
How do I change the color of radio buttons?
...
Only if you are targeting webkit-based browsers (Chrome and Safari, maybe you are developing a Chrome WebApp, who knows...), you can use the following:
input[type='radio'] {
-webkit-appearance: none;
}
And then style it as if it were a simple HTML elem...
How to get device make and model on iOS?
...de objectForKey:code];
if (!deviceName) {
// Not found on database. At least guess main device type from string contents:
if ([code rangeOfString:@"iPod"].location != NSNotFound) {
deviceName = @"iPod Touch";
}
else if([code rangeOfString:@"iPad"].lo...
Dynamically replace the contents of a C# method?
...e assembler generated from compiling the dynamic method. This works for 32/64Bit on Windows, macOS and any Linux that Mono supports.
Documentation can be found here.
Example
(Source)
Original Code
public class SomeGameClass
{
private bool isRunning;
private int counter;
private int...