大约有 40,000 项符合查询结果(耗时:0.0487秒) [XML]

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Is there an alternative sleep function in C to milliseconds?

... tv.tv_sec = milliseconds / 1000; tv.tv_usec = milliseconds % 1000 * 1000; select(0, NULL, NULL, NULL, &tv); instead of usleep(milliseconds * 1000);. Credit goes here. – Josh Sanford Sep 29 '16 at 18:18 ...
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Add IIS 7 AppPool Identities as SQL Server Logons

...it does not appear to be a valid AD name so when you search for it in the "Select User or Group" dialog box, it won't show up (actually, it will find it, but it will think its an actual system account, and it will try to treat it as such...which won't work, and will give you the error message about ...
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How to delete a certain row from mysql table with same column values?

...ike this: DELETE FROM your_table WHERE id_users=1 AND id_product=2 LIMIT (SELECT COUNT(*)-1 FROM your_table WHERE id_users=1 AND id_product=2) share | improve this answer | ...
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How do I use CREATE OR REPLACE?

... replace procedure NG_DROP_TABLE(tableName varchar2) is c int; begin select count(*) into c from user_tables where table_name = upper(tableName); if c = 1 then execute immediate 'drop table '||tableName; end if; end; ...
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SQL Server Management Studio won't let me add an index to a table

...l I had to do was close the Table Designer and right-click on the Index to select "Properties" in order to add/edit them.... All these years wasted on writing custom scripts. face-palm I want my youth back! – MikeTeeVee Nov 17 '15 at 19:55 ...
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Why Java needs Serializable interface?

... This is clearly the better answer, I am disappointed that the selected answer is not this, it seems the posted chose with a "Im annoyed because I have to declare things serializable" agenda in mind. Its an example of some one wanting to free whell and not heed the security and design le...
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Is there a good reason to use upper case for SQL keywords? [closed]

...re highlighted, not the entire query. His second example would look like: SELECT name, id, xtype, uid, info, status, base_schema_ver, replinfo, parent_obj, crdate, ftcatid, schema_ver, stats_schema_ver, type, userstat, sysstat, indexdel, refdate, version, deltrig, instrig, updtrig, seltrig, cat...
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Determine what attributes were changed in Rails after_save callback?

... The "selected" answer didn't work for me. I'm using rails 3.1 with CouchRest::Model (based on Active Model). The _changed? methods don't return true for changed attributes in the after_update hook, only in the before_update hook. ...
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How to debug stream().map(…) with lambda expressions?

... illustrate: 1- Press F7 (step into) key, will display the highlights (or selection mode) 2- Use Tab multiple times to select the snippet to debug 3- Press F7 (step into) key to step into share | ...
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Commenting code in Notepad++

...ers' benefit (for python and notepad++) 1) Ctrl+K on multiple lines (i.e. selected region) allows you to block comment. Also note that pressing the combination multiple times allows you to add multiple "#"s (sometimes I use that while testing to differentiate from other comments) 2) Ctrl+Shift+K...