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Generating a random & unique 8 character string using MySQL
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87
This problem consists of two very different sub-problems:
the string must be seemingly random...
How to hash a string into 8 digits?
Is there anyway that I can hash a random string into a 8 digit number without implementing any algorithms myself?
4 Answers...
What to do about Eclipse's “No repository found containing: …” error messages?
... No
repository found containing:
osgi.bundle,org.eclipse.emf.codegen,2.8.0.v20120917-0436 No repository
found containing:
osgi.bundle,org.eclipse.emf.codegen.ecore,2.8.1.v20120917-0436 No
repository found containing:
osgi.bundle,org.eclipse.emf.codegen.ecore.ui,2.8.0.v20120917-0436 No
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Replace values in list using Python [duplicate]
...want, but it doesn't actually save time:
items = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
for index, item in enumerate(items):
if not (item % 2):
items[index] = None
Here are (Python 3.6.3) timings demonstrating the non-timesave:
In [1]: %%timeit
...: items = [0, 1, 2, 3, 4, 5, 6, 7, 8,...
What platforms have something other than 8-bit char?
...d then, someone on SO points out that char (aka 'byte') isn't necessarily 8 bits .
12 Answers
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Detect encoding and make everything UTF-8
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If you apply utf8_encode() to an already UTF-8 string, it will return garbled UTF-8 output.
I made a function that addresses all this issues. It´s called Encoding::toUTF8().
You don't need to know what the encoding of your strings is. It ...
Dynamically select data frame columns using $ and a character value
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8 Answers
8
Active
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Generate unique random numbers between 1 and 100
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For example: To generate 8 unique random numbers and store them to an array, you can simply do this:
var arr = [];
while(arr.length < 8){
var r = Math.floor(Math.random() * 100) + 1;
if(arr.indexOf(r) === -1) arr.push(r);
}
conso...
How does Duff's device work?
...int count; // Set to 20
{
int n = (count + 7) / 8; // n is now 3. (The "while" is going
// to be run three times.)
switch (count % 8) { // The remainder is 4 (20 modulo 8) so
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How do I detect IE 8 with jQuery?
...pe but version as well using jQuery.
Mostly I need to find out if it is IE 8 or not.
12 Answers
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