大约有 45,000 项符合查询结果(耗时:0.0386秒) [XML]

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How to get a<em>nem> object's properties i<em>nem> JavaScript / jQuery?

... You ca<em>nem> look up a<em>nem> object's keys <em>a<em>nem>dem> values by either i<em>nem>voki<em>nem>g JavaScript's <em>nem>ative for i<em>nem> loop: var obj = { foo: 'bar', base: 'ball' }; for(var key i<em>nem> obj) { alert('key: ' + key + '\<em>nem>' + 'value: ' + obj[key]); } or usi<em>nem>g jQuery's .each()...
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How do I get a PHP class co<em>nem>structor to call its pare<em>nem>t's pare<em>nem>t's co<em>nem>structor?

I <em>nem>eed to have a class co<em>nem>structor i<em>nem> PHP call its pare<em>nem>t's pare<em>nem>t's (gr<em>a<em>nem>dem>pare<em>nem>t?) co<em>nem>structor without calli<em>nem>g the pare<em>nem>t co<em>nem>structor. ...
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How to check if a database exists i<em>nem> SQL Server?

...<em>nem> ge<em>nem>eral it's because Micr<em>osem>oft commits to the format I<em>Nem>FORMATIO<em>Nem>_SCHEMA, <em>a<em>nem>dem> reserves the right to cha<em>nem>ge the system tables as they please. But i<em>nem> this case, after looki<em>nem>g more cl<em>osem>ely, I<em>Nem>FORMATIO<em>Nem>_SCHEMA does<em>nem>'t work, so this is probably the best optio<em>nem>. – mwigdahl ...
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Savi<em>nem>g images i<em>nem> Pytho<em>nem> at a very high quality

... If you are usi<em>nem>g matplotlib <em>a<em>nem>dem> tryi<em>nem>g to get good figures i<em>nem> a latex docume<em>nem>t, save as a<em>nem> eps. Specifically, try somethi<em>nem>g like this after ru<em>nem><em>nem>i<em>nem>g the comm<em>a<em>nem>dem>s to plot the image: plt.savefig('desti<em>nem>atio<em>nem>_path.eps', format='eps') I have fou<em>nem>d that ep...
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Why is the .bss segme<em>nem>t required?

What I k<em>nem>ow is that global <em>a<em>nem>dem> static variables are stored i<em>nem> the .data segme<em>nem>t, <em>a<em>nem>dem> u<em>nem>i<em>nem>itialized data are i<em>nem> the .bss segme<em>nem>t. What I do<em>nem>'t u<em>nem>derst<em>a<em>nem>dem> is why do we have dedicated segme<em>nem>t for u<em>nem>i<em>nem>itialized variables? If a<em>nem> u<em>nem>i<em>nem>itialised variable has a value assig<em>nem>ed at ru<em>nem> time, does the varia...
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Extract traceback i<em>nem>fo from a<em>nem> exceptio<em>nem> object

...__ attribute that co<em>nem>tai<em>nem>s the traceback. This attribute is also writable, <em>a<em>nem>dem> ca<em>nem> be co<em>nem>ve<em>nem>ie<em>nem>tly set usi<em>nem>g the with_traceback method of exceptio<em>nem>s: raise Exceptio<em>nem>("foo occurred").with_traceback(tracebackobj) These features are mi<em>nem>imally described as part of the raise docume<em>nem>tatio<em>nem>. All credi...
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How to check if mysql database exists

... OK, appare<em>nem>tly PHPMyAdmi<em>nem> just displays all database <em>nem>ames i<em>nem> lower case, <em>a<em>nem>dem> your query works usi<em>nem>g both a<em>nem>yway – Hubro Ju<em>nem> 15 '12 at 13:21 1 ...
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View array i<em>nem> Visual Studio debugger? [duplicate]

... <em>nem>ice little trick for C++. Take the expressio<em>nem> which gives you the array <em>a<em>nem>dem> the<em>nem> appe<em>nem>d a comma <em>a<em>nem>dem> the <em>nem>umber of eleme<em>nem>ts you wa<em>nem>t to see. Exp<em>a<em>nem>dem>i<em>nem>g that value will show you eleme<em>nem>ts 0-(<em>Nem>-1) where <em>Nem> is the <em>nem>umber you add after the comma. For example if pArray is the array, type pArray,10 i<em>nem> th...
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How to get a<em>nem> outli<em>nem>e view i<em>nem> sublime texteditor?

... happe<em>nem>s whe<em>nem> I press ctrl-r. I have a php file ope<em>nem>. Ca<em>nem> I locate the comm<em>a<em>nem>dem> i<em>nem> a me<em>nem>u? Does this work without a plugi<em>nem>? karlthorwald – user89021 Feb 6 '10 at 3:34 6 ...
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How do I use Ruby for shell scripti<em>nem>g?

... By default, you already have access to Dir <em>a<em>nem>dem> File, which are pretty useful by themselves. Dir['*.rb'] #basic globs Dir['**/*.rb'] #** == a<em>nem>y depth of directory, i<em>nem>cludi<em>nem>g curre<em>nem>t dir. #=&gt; array of relative <em>nem>ames File.exp<em>a<em>nem>dem>_path('~/file.txt') #=&gt; "/User/mat/...