大约有 15,208 项符合查询结果（耗时：0.0302秒） [XML]
Proper use of 'yield return'
... to have the next item before returning.
Among other things, this helps spread the computational cost of complex calculations over a larger time-frame. For example, if the list is hooked up to a GUI and the user never goes to the last page, you never calculate the final items in the list.
Anothe...
How can I format my grep output to show line numbers at the end of the line, and also the hit count?
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new linux user is lazy of reading man page. But if they use linux enough, they will be used to it :) It's super useful :)
– Dzung Nguyen
Jun 12 '12 at 14:04
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Byte[] to InputStream or OutputStream
...rce = ...;
ByteArrayInputStream bis = new ByteArrayInputStream(source);
// read bytes from bis ...
ByteArrayOutputStream bos = new ByteArrayOutputStream();
// write bytes to bos ...
byte[] sink = bos.toByteArray();
Assuming that you are using a JDBC driver that implements the standard JDBC Blob i...
Change date of git tag (or GitHub Release based on it)
... 0.9.33 -m"Retroactively tagging version 0.9.33"
However, if you have already added the tag, you cannot use the above with git tag -f existingtag or else git will complain when you try to merge:
Rammy:docubot phrogz$ git push --tags
To git@github.com:Phrogz/docubot.git
! [rejected] 1.0.1...
How to find serial number of Android device?
...fine now after adding <uses-permission android:name="android.permission.READ_PHONE_STATE"></uses-permission> permission in androidManifest.xml file.
– Paresh Mayani
Aug 26 '10 at 11:54
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Delete all the queues from RabbitMQ?
...eues. Alternatively, if you're just looking for a way to clear everything (read: reset all settings, returning the installation to a default state), use:
rabbitmqctl stop_app
rabbitmqctl reset # Be sure you really want to do this!
rabbitmqctl start_app
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Hidden Features of MySQL
...d, things I took for granted weren’t working the same with MySQL. And my reading on MySQL tuning makes me conclude that MySQL is behind Oracle in terms of optimizing queries.
While the simple queries required for most B2C applications may work well for MySQL, most of the aggregate reporting type...
What are the differences between Perl, Python, AWK and sed? [closed]
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A++++ post, would read again!
– Robert Gamble
Dec 14 '08 at 21:38
26
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How to add a “readonly” attribute to an ?
How can I add readonly to a specific <input> ? .attr('readonly') does not work.
9 Answers
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How do I check if a file exists in Java?
...w File("C:/").exists() will return true but will not allow you to open and read from it as a file.
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