大约有 43,000 项符合查询结果（耗时：0.0539秒） [XML]
How to get first character of a string in SQL?
... @thomasrutter, Looking at an execution plan, SQL Server (at least 2008R2) internally translates LEFT(colName, length) into SUBSTRING(colName, 1, length). So there is no any optimizations here, it's just a preference.
– Alexander Abakumov
Sep 15 '...
What is the etymology of 'slug'? [closed]
...world.
(a) "Godel Escher, Bach", by one Douglas Hofstadter, which I (at least) consider one of the great modern intellectual works. You should also check out his other work, "Metamagical Themas".
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Is it possible to run selenium (Firefox) web driver without a GUI?
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I don't think this works anymore (at least not easily, because it requires a new geckodriver much like chrome did)
– Archimedes Trajano
Nov 2 '16 at 19:12
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Why do we copy then move?
...ed into tmp.data
It is pretty clear that this 2 overload technique is at least as efficient, if not more so, than the above two C++03 styles. I'll dub this 2-overload version the "most optimal" version.
Now, we'll examine the take-by-copy version:
struct S2 {
std::string data;
S2( std::stri...
More lines in command window
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At least in Win7, Kristina's answer now seems to be either its memory of commands typed in the command lines, or the amount you can copy-paste.
To increase the scrollbar's memory, I did the following:
Go to properties as ment...
Is there a shortcut in Eclipse to Re-run the most recently launched program?
...ands for Relaunch with the same configuration.
This works out for me!
At least in Pydev-Editor. I'm not sure about the other perspectives...
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How to select a radio button by default? [duplicate]
...nswer is slightly different. And actually the normal answer won't work (at least it didn't for me).
Your html will look pretty similar to the normal radio button:
<input type='radio' name='group' ng-model='mValue' value='first' />First
<input type='radio' name='group' ng-model='mValue' va...
ios simulator: how to close an app
...cepted your answer and modified by copying his. Not a fare call at all. Atleast mention the deserving persons name.
– Nicks
Apr 27 '17 at 0:40
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How to remove leading zeros from alphanumeric text?
...end if the loop finds only zeros. return ""; or return "0"; if you want at least one zero
– slipperyseal
Feb 23 '18 at 0:19
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What does “opt” mean (as in the “opt” directory)? Is it an abbreviation? [closed]
....12.html for details.
Also described at Wikipedia.
Its use dates back at least to the late 1980s, when it was a standard part of System V UNIX. These days, it's also seen in Linux, Solaris (which is SysV), OSX Cygwin, etc. Other BSD unixes (FreeBSD, NetBSD, etc) tend to follow other rules, so yo...