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What is reflection and why is it useful?
What is reflection, and why is it useful?
21 Answers
21
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Why do pthreads’ condition variable functions require a mutex?
I’m reading up on pthread.h ; the condition variable related functions (like pthread_cond_wait(3) ) require a mutex as an argument. Why? As far as I can tell, I’m going to be creating a mutex just to use as that argument? What is that mutex supposed to do?
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Is the 'type' attribute necessary for tags?
...s attribute. There is no default value for this attribute.
For HTML 5, it is optional. If it is not specified, it defaults to text/javascript. Source
The type attribute gives the language of the script or format of the data. If the attribute is present, its value must be a valid MIME type. T...
A proper wrapper for console.log with correct line number?
I'm now developing an application, and place a global isDebug switch. I would like to wrap console.log for more convenient usage.
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Difference between Pragma and Cache-Control headers?
...follow
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edited Jan 18 '16 at 9:45
Shashank Agrawal
19.6k99 gold badges6161 silver badges9292 bronze badges
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Replace input type=file by an image
... people, I'd like to customize the ugly input type=file , and I know that it can't be done without some hacks and/or javascript . But, the thing is that in my case the upload file buttons are just for uploading images ( jpeg|jpg|png|gif ), so I was wondering if I could use a " clickable " image wh...
Why does Google +1 record my mouse movements? [closed]
This is only on pages with a Google +1 box on my website:
9 Answers
9
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What is “2's Complement”?
I'm in a computer systems course and have been struggling , in part, with Two's Complement . I want to understand it but everything I've read hasn't brought the picture together for me. I've read the wikipedia article and various other articles, including my text book .
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Why an interface can not implement another interface?
...ion.
A 100% abstract class is functionally equivalent to an interface but it can also have implementation if you wish (in this case it won't remain 100% abstract), so from the JVM's perspective they are different things.
Also the member variable in a 100% abstract class can have any access qualifi...
How can I run code on a background thread on Android?
I want some code to run in the background continuously. I don't want to do it in a service. Is there any other way possible?
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