大约有 36,010 项符合查询结果（耗时：0.0477秒） [XML]
When do I need to use a semicolon vs a slash in Oracle SQL?
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this answer doesn't explain why / or ; see the answer of @a_horse_with_no_name or @Mr_Moneybags for more context
– Kay
Apr 6 at 14:25
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Neither BindingResult nor plain target object for bean name available as request attribute [duplicat
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hey Vinay, just a clarification, and I do this within my controller?
– Kaushik Gopal
Jan 9 '12 at 9:03
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How do I limit task tags to current project in Eclipse?
Eclipse currently shows the task tags ( // TODO ) from all open projects. I would be grateful if anyone could point out the preference, where I could restrict the scope of tasks displayed (e.g. only tasks from current project).
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How do I clone a github project to run locally?
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strange that there are dozens of obscure icons and links and options on GitHub but not a single bit explaining how to do a clone
– Kirby
Mar 6 '14 at 17:13
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How do I check if a string contains another string in Swift?
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You can do exactly the same call with Swift:
Swift 4 & Swift 5
In Swift 4 String is a collection of Character values, it wasn't like this in Swift 2 and 3, so you can use this more concise code1:
let string = "hello Swift"
if ...
How do I replace whitespaces with underscore?
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You don't need regular expressions. Python has a built-in string method that does what you need:
mystring.replace(" ", "_")
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What does a tilde do when it precedes an expression?
... converts its operand to a 32 bit integer (bitwise operators in JavaScript do that)...
0000 0000 0000 0000 0000 0000 0000 0001
If it were a negative number, it'd be stored in 2's complement: invert all bits and add 1.
...and then flips all its bits...
1111 1111 1111 1111 1111 1111 1111 1110
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How do I see what character set a MySQL database / table / column is?
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Here's how I'd do it -
For Schemas (or Databases - they are synonyms):
SELECT default_character_set_name FROM information_schema.SCHEMATA
WHERE schema_name = "schemaname";
For Tables:
SELECT CCSA.character_set_name FROM information_sc...
Unable to load DLL 'SQLite.Interop.dll'
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How can you add a dependency like that? never done it (VS2013)
– jpgrassi
Sep 2 '15 at 18:15
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Concatenate text files with Windows command line, dropping leading lines
... need to concatenate some relatively large text files, and would prefer to do this via the command line. Unfortunately I only have Windows, and cannot install new software.
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