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iPhone UITextField - Change placeholder text color
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32 Answers
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Are list-comprehensions and functional functions faster than “for loops”?
...in range(10)]`>)
1 0 BUILD_LIST 0
3 LOAD_FAST 0 (.0)
>> 6 FOR_ITER 12 (to 21)
9 STORE_FAST 1 (x)
12 LOAD_FAST 1 (x)
15 LIST_APPEND 2
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Compare double to zero using epsilon
...00000000 × 2^-1022 = 2^-1022
In fact there are (1022 - 52 + 1)×2^52 = 4372995238176751616 numbers between 0 and epsilon, which is 47% of all the positive representable numbers...
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Why is setTimeout(fn, 0) sometimes useful?
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answered Apr 23 '09 at 0:14
staticsanstaticsan
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How to check if the URL contains a given string?
...ontains
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<script type="text/javascript">
$(document).ready(function() {
if (window.location.href.indexOf("franky") > -1) {
alert("your url contains the name franky");
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from list of integers, get number closest to a given value
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342
If we are not sure that the list is sorted, we could use the built-in min() function, to find ...
Error handling in Bash
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error() {
local parent_lineno="$1"
local message="$2"
local code="${3:-1}"
if [[ -n "$message" ]] ; then
echo "Error on or near line ${parent_lineno}: ${message}; exiting with status ${code}"
else
echo "Error on or near line ${parent_lineno}; exiting with status ${code}"
fi
ex...
Replace whitespaces with tabs in linux
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STANDARDS
The expand and unexpand utilities conform to IEEE Std 1003.1-2001
(``POSIX.1'').
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How to Display Selected Item in Bootstrap Button Dropdown Title
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edited Mar 3 '14 at 6:23
answered Nov 18 '12 at 4:45
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SQL Server - transactions roll back on error?
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edited Mar 28 '12 at 21:37
Greg B
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