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Difference between malloc and calloc?
...with virtual memory.)
Some compilers even can optimize malloc + memset(0) into calloc for you, but you should use calloc explicitly if you want the memory to read as 0.
If you aren't going to ever read memory before writing it, use malloc so it can (potentially) give you dirty memory from its inte...
HttpURLConnection timeout settings
...of 0 would mean wait indefinitely). Since the timeout is an unsigned 32bit int, I would guess the max timeout would be about 49 days (though I seriously doubt this such a value would be helpful to anyone).
– Jay Sidri
Oct 25 '12 at 7:17
...
Can enums be subclassed to add new elements?
...t users who only knew about A wouldn't know about it - which defeats the point of an enum being a well-known set of values.
If you could tell us more about how you want to use this, we could potentially suggest alternative solutions.
...
Fastest way to check if a string is JSON in PHP?
...r) i will receive object, but not array. json_decode($str, true) forces to convert into array. Why do complicated string in your code? Check for is_array(json_decode($str, true)) and some time later when you read it you will understand that decoded must be only an array. Much harder to guess is_obje...
How to process POST data in Node.js?
...('end', () => {
console.log('No more data');
})
}).listen(8080)
Converting Buffers to Strings
If you try this you will notice the chunks are buffers. If you are not dealing with binary data and need to work with strings instead I suggest use request.setEncoding method which causes the st...
When you exit a C application, is the malloc-ed memory automatically freed?
... the only way to free memory to be to exit. For example, you might want to convert your program into a server (daemon) which keeps running while handling many requests for individual units of work, or your program might become a small part of a larger program.
However, here is a reason to skip fre...
How do I move a single folder from one Subversion repository to another repository?
...e a top-level directory, make sure your editor is not set to automatically convert end-of-line characters to the native format (e.g., \r\n to \n), as the content will then not agree with the metadata. This will render the dump file useless.
Use sed or Vim to substitute the top-level directory, but ...
How to split one string into multiple strings separated by at least one space in bash shell?
...ividual elements directly (it starts with 0):
echo ${stringarray[0]}
or convert back to string in order to loop:
for i in "${stringarray[@]}"
do
:
# do whatever on $i
done
Of course looping through the string directly was answered before, but that answer had the the disadvantage to not kee...
Why would I use a templating engine? jsp include and jstl vs tiles, freemarker, velocity, sitemesh
...
I don't have the results posted. Just I converted several pages from our site and measured rendering time before and after. Nothing too scientific :)
– serg
Jul 3 '10 at 17:15
...
Formatting text in a TextBlock
...{Binding LineTwo}" />
</TextBlock.Inlines>
You can bind through converters if you have bold as a boolean (say).
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