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Count immediate child div elements using jQuery
...est to see the speed difference and the children() method beaten the child selector (#foo > div) approach by at least 60% in Chrome (canary build v15) 20-30% in Firefox (v4).
By the way, needless to say, these two approaches produce same results (in this case, 1000).
[Update] I've updated the t...
Get current batchfile directory
...re importantly, using :: allows you to include redirectors, pipes, special chars (i.e. < > | etc) in that comment.
:: ORIG STMT WAS: dir *.* | find /v "1917" > outfile.txt
Of course, Powershell does this and lots more.
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How to remove leading zeros using C#
...
It really depends on how long the NVARCHAR is, as a few of the above (especially the ones that convert through IntXX) methods will not work for:
String s = "005780327584329067506780657065786378061754654532164953264952469215462934562914562194562149516249516294563...
Random row selection in Pandas dataframe
Is there a way to select random rows from a DataFrame in Pandas.
6 Answers
6
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MySql: Tinyint (2) vs tinyint(1) - what is the difference?
...rows affected (0.02 sec)
Records: 3 Duplicates: 0 Warnings: 0
mysql> SELECT * FROM tin3;
+----+------------+
| id | val |
+----+------------+
| 1 | 0000000012 |
| 2 | 0000000007 |
| 4 | 0000000101 |
+----+------------+
3 rows in set (0.00 sec)
mysql>
mysql> SELECT LENGTH(val)...
How to determine if Javascript array contains an object with an attribute that equals a given value?
...lt;0 || splice(index, 1) here is my a bit updated code: const index = this.selected.indexOf(this.selected.find(s => s.id == passedObj.id))
– Leonid Zadorozhnykh
Aug 24 '17 at 8:27
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Is there a way to get the XPath in Google Chrome?
...asking "how to get an xpath string for an element?", rather than "how do i select by xpath?" wasn't he?
– Max Williams
Jan 3 '12 at 11:05
3
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Replace first occurrence of pattern in a string [duplicate]
...ar at the end, the regex impl might be better as it supports streaming the char array, but for small strings, this seems a lot more efficient...
– Jaap
Aug 6 '13 at 13:57
1
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Map and Reduce in .NET
...ons. C# 3.5 and Linq already has it albeit under different names.
Map is Select:
Enumerable.Range(1, 10).Select(x => x + 2);
Reduce is Aggregate:
Enumerable.Range(1, 10).Aggregate(0, (acc, x) => acc + x);
Filter is Where:
Enumerable.Range(1, 10).Where(x => x % 2 == 0);
https://www...
Find an element in DOM based on an attribute value
...ears the landscape has changed drastically. You can now reliably use querySelector and querySelectorAll, see Wojtek's answer for how to do this.
There's no need for a jQuery dependency now. If you're using jQuery, great...if you're not, you need not rely it on just for selecting elements by att...