大约有 44,000 项符合查询结果(耗时:0.0646秒) [XML]
Resource interpreted as Document but transferred with MIME type application/zip
...: text/html which means that you'd like to interpret the response as HTML. Now if even server send you PDF files, your browser tries to understand it as HTML. That's the problem. I'm searching to see what the reason could be. :)
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Mapping over values in a python dictionary
... that's because rather than look up all key-value pairs in one go, you are now using number-of-keys times my_dictionary.__getitem__ calls.
– Martijn Pieters♦
Oct 15 '14 at 15:21
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When to use NSInteger vs. int
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You usually want to use NSInteger when you don't know what kind of processor architecture your code might run on, so you may for some reason want the largest possible integer type, which on 32 bit systems is just an int, while on a 64-bit system it's a long.
I'd stick with...
Java synchronized method lock on object, or method?
... }
}
I think if the Java designers knew then what is understood now about synchronization, they would not have added the syntactical sugar, as it more often than not leads to bad implementations of concurrency.
sh...
How to reference a file for variables using Bash?
... accomplish this.
Running export and echo $ENV should be all you need to know about accessing variables. Accessing environment variables is done the same way as a local variable.
To set them, say:
export variable=value
at the command line. All scripts will be able to access this value.
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Malloc vs new — different padding
... of pointer, and when you pass this pointer to other functions they won't know how the object was allocated. sizeof *ptr is just dependent on the declaration of ptr, not how it was assigned.
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How can I parse a string with a comma thousand separator to a number?
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Yeah, but now the decimal places are lost. 2300.00 results in 2300 for example.
– user1540714
Jul 26 '12 at 9:18
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pandas three-way joining multiple dataframes on columns
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This is decent advice and has now been incorporated into pandas merging 101 (see the section on merging multiple dataframes). It's worth noting that if your join keys are unique, using pd.concat will result in simpler syntax: pd.concat([df.set_index('name...
How do I view the SQL generated by the Entity Framework?
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Applicable for EF 6.0 and above:
For those of you wanting to know more about the logging functionality and adding to the some of the answers already given.
Any command sent from the EF to the database can now be logged. To view the generated queries from EF 6.x, use the DBContext.Datab...
iOS Detection of Screenshot?
...ly break Snapchat entirely, so a couple betas in a new solution was added. Now, the solution is as simple as using NSNotificationCenter to add an observer to UIApplicationUserDidTakeScreenshotNotification.
Here's an example:
Objective C
NSOperationQueue *mainQueue = [NSOperationQueue mainQueue];
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