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Detect if stdin is a terminal or pipe?
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Use isatty:
#include <stdio.h>
#include <io.h>
...
if (isatty(fileno(stdin)))
printf( "stdin is a terminal\n" );
else
printf( "stdin is a file or a pipe\n");
(On windows they're prefixed with underscore...
Can JSON start with “[”?
...an be either an array or an object. Specifically off of json.org:
JSON is built on two structures:
A collection of name/value pairs. In various languages, this is
realized as an object, record,
struct, dictionary, hash table,
keyed list, or associative array.
An order...
try/catch + using, right syntax
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edited Jan 4 '11 at 4:05
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PyLint “Unable to import” error - how to set PYTHONPATH?
...ively, edit ~/.pylintrc to include the directory above your module, like this:
[MASTER]
init-hook='import sys; sys.path.append("/path/to/root")'
(Or in other version of pylint, the init-hook requires you to change [General] to [MASTER])
Both of these options ought to work.
Hope that helps.
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What is the motivation for bringing Symbols to ES6?
...ome other crazy stuff). I always thought that the :symbol notion in Ruby is needless; we could easily use plain strings instead, like we do in JavaScript. And now they decide to complicate things in JS with that.
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jQuery document.createElement equivalent?
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Here's your example in the "one" line.
this.$OuterDiv = $('<div></div>')
.hide()
.append($('<table></table>')
.attr({ cellSpacing : 0 })
.addClass("text")
)
;
Update: I thought I'd update this post since it sti...
Fragment in ViewPager using FragmentPagerAdapter is blank the second time it is viewed
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I had the same issue. Changing the parent class of my PageAdapter from android.support.v4.app.FragmentPagerAdapter to android.support.v4.app.FragmentStatePagerAdapter solve my ViewPager display issue on "second time"!
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Android: how do I check if activity is running?
Is there any simple way of determining whether or not a certain activity is active?
I want to do certain things depending on which activity is active.
eg:
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Best practice for creating millions of small temporary objects
...58 secs]
[Full GC 267628K->83769K(776768K), 1.8479984 secs]
The arrow is before and after size.
As long as it is just doing GC and not a full GC you are home safe. The regular GC is a copy collector in the 'young generation', so objects that are no longer referenced are simply just forgotten a...
Why doesn't ruby support method overloading?
Instead of supporting method overloading Ruby overwrites existing methods. Can anyone explain why the language was designed this way?
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