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Pure JavaScript: a function like jQuery's isNumeric() [duplicate]
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var str = 'test343',
isNumeric = /^[-+]?(\d+|\d+\.\d*|\d*\.\d+)$/;
isNumeric.test(str);
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Programmatically Determine a Duration of a Locked Workstation?
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Tested 100% on Windows 7 x64 and Windows 10 x64.
– Contango
Jan 5 '17 at 17:15
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JavaScript loop through json array?
...s. The referenced question has a lengthy discussion about pros and cons.
Test with for(var i ...
But it seems that the follwing is quite save:
for(var i = 0; i < array.length; i += 1)
Although a test in chrome had the following result
var ar = [];
ar[0] = "a";
ar[1] = "b";
ar[4] = "c";
f...
Maximum number of threads in a .NET app?
... can use reflector if interested in the actual members).
You can actually test it for yourself, compare:
static void DummyCall()
{
Thread.Sleep(1000000000);
}
static void Main(string[] args)
{
int count = 0;
var threadList = new List<Thread>();
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How do I trim whitespace from a string?
...oes nothing for spaces between characters.
words=input("Enter the word to test")
# If I have a user enter discontinous threads it becomes a problem
# input = " he llo, ho w are y ou "
n=words.strip()
print(n)
# output "he llo, ho w are y ou" - only leading & trailing spaces are removed
In...
Oracle query to fetch column names
...ME before it can compare it to the supplied UPPER('MyTableName'). In quick testing this made the performance unusable for my purpose so I will stick with case sensitive comparisons.
– Chris Magnuson
Apr 13 '18 at 18:05
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How does the algorithm to color the song list in iTunes 11 work? [closed]
...came up with an algorithm that works on ~80% of the albums with which I've tested it.
Color Differences
The bulk of the algorithm deals with finding the dominant color of an image. A prerequisite to finding dominant colors, however, is calculating a quantifiable difference between two colors. One...
How can I generate random alphanumeric strings?
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@Alex: I've run a few quick tests and it seems to scale pretty much linearly when generating longer strings (so long as there's actually enough memory available). Having said that, Dan Rigby's answer was almost twice as fast as this one in every test.
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Set angular scope variable in markup
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+1 for @SeantheBean - I have tested this. There seems to be issues with child controllers and the scope of assigning the variable in the markup. The directive works for my purposes and appears to be a solid solution.
– Paul Carlto...
Split files using tar, gz, zip, or bzip2 [closed]
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Tested code, initially creates a single archive file, then splits it:
gzip -c file.orig > file.gz
CHUNKSIZE=1073741824
PARTCNT=$[$(stat -c%s file.gz) / $CHUNKSIZE]
# the remainder is taken care of, for example for
#...