大约有 23,000 项符合查询结果（耗时：0.0634秒） [XML]
Sorting data based on second column of a file
...rt command:
sort -k2 -n yourfile
-n, --numeric-sort compare according to string numerical value
For example:
$ cat ages.txt
Bob 12
Jane 48
Mark 3
Tashi 54
$ sort -k2 -n ages.txt
Mark 3
Bob 12
Jane 48
Tashi 54
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Return empty cell from formula in Excel
...mpty cell from an Excel formula, but it appears that Excel treats an empty string or a reference to an empty cell differently than a true empty cell. So essentially I need something like
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return query based on date
....3 using Node v0.12.7 and v4.4.4 and used:
{ $gte: new Date(dateVar).toISOString() }
I'm passing in an ISODate (e.g. 2016-04-22T00:00:00Z) and this works for a .find() query with or without the toISOString function. But when using in an .aggregate() $match query it doesn't like the toISOString fu...
REST API error return good practices [closed]
... Should I include my detailed error message in the body, ie. an XML code/string pair? How are clients best dealing with this? For instance I know C# WebRequest based clients would throw 'Bad Request' or 'Forbidden' and not give the response body.
– Remus Rusanu
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How to replace text between quotes in vi
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The cursor is not required to be within the double-quoted string, as the command defaults to changing the first such string in the line
– Eugene Yarmash
Jul 24 '12 at 12:22
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Convert Python dictionary to JSON array
... means of unambiguously encoding a sequence of arbitrary bytes as an ASCII string - such as base64.
>>> import json
>>> from base64 import b64encode, b64decode
>>> my_dict = {'LeafTemps': '\xff\xff\xff\xff',}
>>> my_dict['LeafTemps'] = b64encode(my_dict['LeafTem...
How do I list all versions of a gem available at a remote site?
...re safe (if putting sth like that in a script or README) is to put it in a string so that we're sure we pass it 1-1, i.e. gem list '^rhc$' etc.
– mgol
Oct 2 '13 at 3:04
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Start service in Android
...t;application
android:icon="@drawable/ic_launcher"
android:label="@string/app_name" >
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<service
android:name=".MyService"
android:label="My Service" >
</service>
</application>
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What is the session's “secret” option?
... session secret in connect is simply used to compute the hash. Without the string, access to the session would essentially be "denied". Take a look at the connect docs, that should help a little bit.
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How to pipe input to a Bash while loop and preserve variables after loop ends
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Also, as noted by Gareth Rees in his answer, you can sometimes use a here string:
while read i; do echo $i; done <<< "$FILECONTENT"
This doesn't require shopt; you may be able to save a process using it.
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