大约有 15,467 项符合查询结果（耗时：0.0260秒） [XML]
Add column to SQL Server
...umn to Table
ALTER TABLE [table]
ADD Column1 Datatype
E.g
ALTER TABLE [test]
ADD ID Int
If User wants to make it auto incremented then
ALTER TABLE [test]
ADD ID Int IDENTITY(1,1) NOT NULL
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How do you truncate all tables in a database using TSQL?
I have a test environment for a database that I want to reload with new data at the start of a testing cycle. I am not interested in rebuilding the entire database- just simply "re-setting" the data.
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How can I eliminate slow resolving/loading of localhost/virtualhost (a 2-3 second lag) on Mac OS X L
... duplicate IPv6 entry right above the IPv4 entry like so
fe80::1%lo0 demo.test.dev
127.0.0.1 demo.test.dev
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Iterating C++ vector from the end to the beginning
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@colin Egads! that ugly!. You are testing reversed four times -- two of them inside a loop. Of course, testing a boolean is very fast, but still, why to work you don't have to? Especially, since the only purpose seems to be to make the code unreadable. how...
Cross Browser Flash Detection in Javascript
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If anyone is interested I tested some of these cases on jsperf. SWFObject came out the fastest.
– hitautodestruct
Dec 20 '12 at 8:37
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Python: How to get stdout after running os.system? [duplicate]
... many terse 'answers' which at best don't work (seems because they are not tested - like Eduard F's response above mine which is missing the switch) or worse, are so terse that they don't help much at all (e.g., 'try subprocess instead of os.system' ... yeah, OK, now what ??). In contrast, I have p...
Do I use , , or for SVG files?
...ou assured the onerror fires if svg doesn't render? what browsers have you tested?
– artlung
Nov 9 '15 at 18:41
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Is there an alternative to string.Replace that is case-insensitive?
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While unit testing this I ran into the case where it would never return when oldValue == newValue == "".
– Ishmael
Mar 28 '13 at 19:10
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How to read a single character from the user?
...har.readchar()))
print("Reading a key:")
print(repr(readchar.readkey()))
Tested on Windows and Linux with Python 2.7.
On Windows, only keys which map to letters or ASCII control codes are supported (Backspace, Enter, Esc, Tab, Ctrl+letter). On GNU/Linux (depending on exact terminal, perhaps?) you...
Check if a row exists, otherwise insert
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Pass updlock, rowlock, holdlock hints when testing for existence of the row.
begin tran /* default read committed isolation level is fine */
if not exists (select * from Table with (updlock, rowlock, holdlock) where ...)
/* insert */
else
/* update */
com...