大约有 1,742 项符合查询结果（耗时：0.0073秒） [XML]
How to use glob() to find files recursively?
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For what it's worth, in my case finding 10,000+ files with glob was much slower than with os.walk, so I went with the latter solution for that reason.
– Godsmith
Sep 12 '18 at 6:23
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socket.error: [Errno 48] Address already in use
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You already have a process bound to the default port (8000). If you already ran the same module before, it is most likely that process still bound to the port. Try and locate the other process first:
$ ps -fA | grep python
501 81651 12648 0 9:53PM ttys000 0:00.16 python ...
Show compose SMS view in Android
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Hi. i want to send bulk sms. like 10,000 sms send at single click. Is it possible ? i heard android send 30 sms every 30 minutes. plz help me
– Vrajesh
Sep 25 '16 at 16:25
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Make xargs handle filenames that contain spaces
... paths containing list files : cat $file_paths_list_file | perl -ne 's|\n|\000|g;print'| xargs -0 zip $zip_package
– Yordan Georgiev
Jun 24 '14 at 13:47
2
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Smooth scrolling when clicking an anchor link
...ript link like <a href="javascript:$('#test').css('background-color', '#000')">Test</a>. You should rather use $('a[href^=#]') to match all urls that start with a hash character.
– Martin Braun
Apr 3 '16 at 17:58
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How to calculate the number of occurrence of a given character in each row of a column of strings?
...ternally.
Here's benchmark results (with a scaled up size of the test to 3000 rows)
q.data<-q.data[rep(1:NROW(q.data), 1000),]
str(q.data)
'data.frame': 3000 obs. of 3 variables:
$ number : int 1 2 3 1 2 3 1 2 3 1 ...
$ string : Factor w/ 3 levels "greatgreat","magic",..: 1 2 3 ...
Most efficient T-SQL way to pad a varchar on the left to a certain length?
...t very efficient in terms of execution time. The Tally table I used has 64,000 records. Kudos to Martin Smith for pointing out execution time efficiency.
SET STATISTICS TIME ON
select FORMAT(N, 'd10') as padWithZeros from Tally
SET STATISTICS TIME OFF
SQL Server Execution Times:
CPU time = 21...
Format number to always show 2 decimal places
...(Math.round(num3 * 100) / 100).toFixed(2);
span {
border: 1px solid #000;
margin: 5px;
padding: 5px;
}
<span id="num1"></span>
<span id="num2"></span>
<span id="num3"></span>
Note that it will round to 2 decimal places, so the input 1.34...
What is the tilde (~) in the enum definition?
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@Stevo3000: Int32.MinValue is 0xF0000000, which is not ~0 (it's actually ~Int32.MaxValue)
– Jimmy
Apr 25 '09 at 0:38
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What is the most efficient way to concatenate N arrays?
....push(...b)
However, it seems that for large arrays (of the order of 100,000 members or more), the technique passing an array of elements to push (either using apply() or the ECMAScript 2015 spread operator) can fail. For such arrays, using a loop is a better approach. See https://stackoverflow.co...