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How to convert FileInputStream to InputStream? [closed]
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You would typically first read from the input stream and then close it. You can wrap the FileInputStream in another InputStream (or Reader). It will be automatically closed when you close the wrapping stream/reader.
If this is a method returning an InputStream to the caller, t...
How to use the pass statement?
I am in the process of learning Python and I have reached the section about the pass statement. The guide I'm using defines it as being a Null statement that is commonly used as a placeholder.
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What and When to use Tuple? [duplicate]
May someone please explain what a Tuple is and how to use it in a Real World Scenario. I would like to find out how this can enrich my coding experience?
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How do I do redo (i.e. “undo undo”) in Vim?
...e for the times you have seemingly screwed yourself with a flurry of undos and redos.
– Jake Sellers
Jan 3 '14 at 5:31
3
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How to create a JavaScript callback for knowing when an image is loaded?
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.complete + callback
This is a standards compliant method without extra dependencies, and waits no longer than necessary:
var img = document.querySelector('img')
function loaded() {
alert('loaded')
}
if (img.complete) {
loaded()
} else {
img.addEven...
rsync: how can I configure it to create target directory on server?
... rsync from local computer to server. On a directory that does not exist, and I want rsync to create that directory on the server first.
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How to convert a double to long without casting?
... d; // x = 1234
This will be faster than going via the wrapper classes - and more importantly, it's more readable. Now, if you need rounding other than "always towards zero" you'll need slightly more complicated code.
shar...
Writing handler for UIAlertAction
I'm presenting a UIAlertView to the user and I can't figure out how to write the handler. This is my attempt:
9 Answers
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Behaviour of final static method
I have been playing around with modifiers with static method and came across a weird behaviour.
7 Answers
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How to create an array of object literals in a loop?
...s a property lookup that you execute with each iteration, which isn't free and can be avoided. Micro-optimization? Possibly. Also, it is a "live" value - if you modify the array in the loop, the length will change on successive iterations which could lead to infinity. Give this a watch youtube.com...