大约有 47,000 项符合查询结果（耗时：0.0357秒） [XML]
Get type of all variables
...ly) #a function is function
class(charToRaw("hi")) #convert string to raw: raw
class(array("hi")) #array of items is: array
#So far so good, but those who wish to keep their sanity go no further
class(5 + 5L) #do...
Asking the user for input until they give a valid response
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How to avoid reverse engineering of an APK file?
...reverse engineering significantly.
3. Is there a way to make hacking more tough or even impossible? What more can I do to protect the source code in my APK file?
As everyone says, and as you probably know, there's no 100% security. But the place to start for Android, that Google has built in...
Printing the last column of a line in a file
...n there are enough lines or end of file is reached. tail -f means wait for more input, but there are no more lines in file and so the pipe to grep is never closed.
If you omit -f from tail the output is shown immediately:
tail file | grep A1 | awk '{print $NF}'
@EdMorton is right of course. Aw...
Find (and kill) process locking port 3000 on Mac
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Check element CSS display with JavaScript
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Android and setting width and height programmatically in dp units
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symfony 2 twig limit the length of the text and put three dots
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