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Skip first entry in for loop in python?
...will run through the iterator. Try doing something like collections.deque(xrange(10000000)). There's no need to store all the ints in memory if you want to skip the first item...
– Roee Shenberg
Dec 4 '12 at 11:04
...
How to allow to accept only image files?
...s .png, .jpg, .jpeg, .gif, .bmp, .ico, .tiff, .svg, .ai, .psp, .pcd,.pct, .raw. So it is better to mention type specifically.
– Thamarai T
Mar 29 '19 at 11:24
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How to change Status Bar text color in iOS
...appearance" to NO and (2) set "Status bar style" to "Opaque black style". (Raw values are UIViewControllerBasedStatusBarAppearance -> NO and UIStatusBarStyle -> UIStatusBarStyleBlackOpaque)
– SwiftArchitect
Sep 20 '13 at 5:15
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Selecting a row of pandas series/dataframe by integer index
...imagine this scenario
In [1]: df = pd.DataFrame(np.random.rand(5,2),index=range(0,10,2),columns=list('AB'))
In [2]: df
Out[2]:
A B
0 1.068932 -0.794307
2 -0.470056 1.192211
4 -0.284561 0.756029
6 1.037563 -0.267820
8 -0.538478 -0.800654
In [5]: df.iloc[[2]]
Out[5]:
...
Check if a string contains a number
... @confused00 Nope, \d will match only a single digit in the range 0 to 9.
– thefourtheye
Nov 26 '16 at 5:12
10
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Is it correct to use JavaScript Array.sort() method for shuffling?
...perfect" distribution if rand(x) is guaranteed to be exactly even over its range. Given that there are usually 2^x possible states for the RNG for some x, I don't think it'll be exactly even for rand(3).
– Jon Skeet
Jun 8 '09 at 5:28
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What guidelines for HTML email design are there? [closed]
...IME-Version:
Content-Type:
Very strict clients will display your HTML as raw text if one or the other of these is missing. You'd be surprised how many large online vendors who should know better have screwed this up (notably, I've gotten HTML emails w/ missing MIME-Version: headers from Amazon an...
How to verify an XPath expression in Chrome Developers tool or Firefox's Firebug?
...n yellow.
Firefox (since version 75)
Since FF 75 it's possible to use raw xpath query without evaluation xpath expressions, see documentation for more info.
Firefox (prior version 75)
Either select "Web Console" from the Web Developer submenu in the
Firefox Menu (or Tools menu if you displa...
Declaring array of objects
... the trick or not? something like, i mean you don't need to know the index range if you just read it..
var arrayContainingObjects = [];
for (var i = 0; i < arrayContainingYourItems.length; i++){
arrayContainingObjects.push {(property: arrayContainingYourItems[i])};
}
Maybe i didn't underst...
How to check if PHP array is associative or sequential?
...
{
if (array() === $arr) return false;
return array_keys($arr) !== range(0, count($arr) - 1);
}
var_dump(isAssoc(['a', 'b', 'c'])); // false
var_dump(isAssoc(["0" => 'a', "1" => 'b', "2" => 'c'])); // false
var_dump(isAssoc(["1" => 'a', "0" => 'b', "2" => 'c'])); // true
v...