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Generate 'n' unique random numbers within a range [duplicate]
... way, you will get all the numbers in the particular range but in a random order.
But you can use random.sample to get the number of elements you need, from a range of numbers like this
print random.sample(range(numLow, numHigh), 3)
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Rails create or update magic?
...not, a block will be passed down with the record object as an argument, in order to do the update.
– sameers
Sep 23 '14 at 20:48
3
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Prevent linebreak after
...ffected by margin-top, margin-bottom, padding-top, padding-bottom, height, etc.
float:left; keeps the div as a block-level element. It will still take up space as if it were a block, however the width will be fitted to the content (assuming width:auto;). It can require a clear:left; for certain eff...
A complete solution to LOCALLY validate an in-app receipts and bundle receipts on iOS 7
...:string];
break;
}
case RMAppReceiptASN1TypeWebOrderLineItemID:
_webOrderLineItemID = RMASN1ReadInteger(&p, length);
break;
case RMAppReceiptASN1TypeCancellationDate:
{
NSString *string = RMASN1ReadIA5SString(&p,...
How can I read large text files in Python, line by line, without loading it into memory?
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@rochacbruno, Reading the lines in reverse order is not as easy to do efficiently unfortunately. Generally you would want to read from the end of the file in sensible sized chunks (kilobytes to megabytes say) and split on newline characters ( or whatever the line endi...
Jump to editor shortcut in Intellij IDEA
...t + Home you can actually put focus on selecting the file and hit enter in order to go to the editor.
Esc is not always going to put the focus on editor.
For those on Mac (you don't have a Home key), use Command + E to open the recent files then hit enter.
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Python Anaconda - How to Safely Uninstall
...rand new machine with no customised PATH (yet)... but wanted to comment in order to warn anyone who risks losing some import PATH configuration.
– olisteadman
Dec 17 '18 at 13:55
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u'\ufeff' in Python string
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The Unicode character U+FEFF is the byte order mark, or BOM, and is used to tell the difference between big- and little-endian UTF-16 encoding. If you decode the web page using the right codec, Python will remove it for you. Examples:
#!python2
#coding: utf8
u = ...
Clicking URLs opens default browser
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Highly active question. Earn 10 reputation in order to answer this question. The reputation requirement helps protect this question from spam and non-answer activity.
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Transposing a 2D-array in JavaScript
...p calls a provided callback function once for each element in an array, in order, and constructs a new array from the results. callback is invoked only for indexes of the array which have assigned values; it is not invoked for indexes which have been deleted or which have never been assigned values....