大约有 7,549 项符合查询结果(耗时:0.0262秒) [XML]

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MySQL Select all columns from one table and some from another table

... I need more information really but it will be along the lines of.. SELECT table1.*, table2.col1, table2.col3 FROM table1 JOIN table2 USING(id) share | ...
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What does the exclamation mark do before the function?

...gly concatenated with a file that doesn't end with a ;. If you have the () form, it would consider it a function call of whatever was defined in the previous file. Tip of the hat to a co-worker of mine. – Jure Triglav Nov 13 '12 at 20:31 ...
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entity object cannot be referenced by multiple instances of IEntityChangeTracker. while adding relat

...the way you figured it out even if answer didn't include some background information. – Daniel Kmak Jul 12 '14 at 13:43 ...
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How does OpenID authentication work?

...heir blog, photostream, profile page, etc. With OpenID you can easily transform one of these existing URIs into an account which can be used at sites which support OpenID logins. OpenID Difference between OpenID and conventional authentification form? The difference is that the identification will ...
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Is there a built-in function to print all the current properties and values of an object?

... 'meta_path', 'modules', 'path', 'path_hooks', 'path_importer_ ache', 'platform', 'prefix', 'ps1', 'ps2', 'setcheckinterval', 'setprofile', 'setrecursionlimit , 'settrace', 'stderr', 'stdin', 'stdout', 'subversion', 'version', 'version_info', 'warnoption ', 'winver'] >>> Another useful fe...
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Incompatible implicit declaration of built-in function ‘malloc’

... necessarily, which is precisely the reason for the warning. Ex: a x64 platform with 64-bit data pointers and 32-bit int values will puke goat feces, while a x86 32bit-data-pointer/32bit-int can seemingly work correctly. Neither are correct, as in neither case is the compiler aware of what malloc ac...
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How to disallow temporaries

...s Foo The statement Foo("hi"); expands to class Foo("hi");, which is ill-formed; but Foo a("hi") expands to class Foo a("hi"), which is correct. This has the advantage that it is both source- and binary-compatible with existing (correct) code. (This claim is not entirely correct - please see Joha...
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JavaScript equivalent to printf/String.Format

...ipt equivalent of the C/PHP printf() or for C#/Java programmers, String.Format() ( IFormatProvider for .NET). 50 Answe...
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Why is the parent div height zero when it has floated children

...rflow: hidden on the container will avoid that by establishing a new block formatting context. See methods for containing floats for other techniques and containing floats for an explanation about why CSS was designed this way. ...
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Read/Write String from/to a File in Android

... EditText. Then I want the same file to return the inputted text in String form and save it to another String which is to be used later. ...