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How do you determine the ideal buffer size when using FileInputStream?
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Optimum buffer size is related to a number of things: file system block size, CPU cache size and cache latency.
Most file systems are configured to use block sizes of 4096 or 8192. In theory, if you configure your buffer size so you are reading a few bytes more than the disk block, the op...
Is there a sleep function in JavaScript? [duplicate]
... There could be confusion, but it is rare that someone wants to actually block all computation in the entire program. For beginners, the question is usually "how do I pause this one individual function for a bit?" in my experience, so the answer is to await on a promise with setTimeout(): masterin...
How to make ThreadPoolExecutor's submit() method block if it is saturated?
...has reached its maximum size and the queue is full, the submit() method blocks when trying to add new tasks. Do I need to implement a custom RejectedExecutionHandler for that or is there an existing way to do this using a standard Java library?
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How to customise file type to syntax associations in Sublime Text?
...llows you to enable syntax for composite extensions (e.g. sql.mustache, js.php, etc ... )
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How to profile methods in Scala?
...ind changing the code, then you could do something like this:
def time[R](block: => R): R = {
val t0 = System.nanoTime()
val result = block // call-by-name
val t1 = System.nanoTime()
println("Elapsed time: " + (t1 - t0) + "ns")
result
}
// Now wrap your method calls, for ...
What is a “web service” in plain English?
... programs over the web (HTTP).
For example, when you create a website in PHP that outputs HTML, its target is the browser and by extension the human reading the page in the browser. A web service is not targeted at humans but rather at other programs.
So your PHP site that generates a random inte...
Do login forms need tokens against CSRF attacks?
...ou don't wanna allow that.
Second: Even very simple failure cases like:
blocking user due to incorrect password n no. of times, can be avoided.
Flase hacking alerts can be prevented. etc etc.
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Make the first character Uppercase in CSS
...). Note that in order for :first-letter to work your a elements need to be block containers (which can be display: block, display: inline-block, or any of a variety of other combinations of one or more properties):
a.m_title {
display: block;
}
a.m_title:first-letter {
text-transform: uppe...
difference between width auto and width 100 percent
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Width auto
The initial width of a block level element like div or p is auto. This makes it expand to occupy all available horizontal space within its containing block. If it has any horizontal padding or border, the widths of those do not add to the total wid...
How to center buttons in Twitter Bootstrap 3?
...ton below the input in the form. I have already tried applying the center-block class to the button but that didn't work. How should I fix this?
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