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Assertion failure in dequeueReusableCellWithIdentifier:forIndexPath:
...king an rss reader for my school and finished the code. I ran the test and it gave me that error. Here is the code it's referring to:
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Difference between DOM parentNode and parentElement
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parentElement is new to Firefox 9 and to DOM4, but it has been present in all other major browsers for ages.
In most cases, it is the same as parentNode. The only difference comes when a node's parentNode is not an element. If so, parentElement is null.
As an example:
docu...
Why is exception.printStackTrace() considered bad practice?
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Throwable.printStackTrace() writes the stack trace to System.err PrintStream. The System.err stream and the underlying standard "error" output stream of the JVM process can be redirected by
invoking System.setErr() which changes the destination pointed ...
Is there any way to delete local commits in Mercurial?
...I keep making a silly mistake in Mercurial. Often times, I'll start work without doing an "hg pull" and an "hg update." When I try to push my changes, I get an error.
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Remove CSS from a Div using JQuery
...{
$(this).addClass('someClass');
});
Then where your 'other functionalities' are do something like:
$("#myButton").click(function(){
$("#displayPanel div").removeClass('someClass');
});
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Exec : display stdout “live”
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Don't use exec. Use spawn which is an EventEmmiter object. Then you can listen to stdout/stderr events (spawn.stdout.on('data',callback..)) as they happen.
From NodeJS documentation:
var spawn = require('child_process').spawn,
ls = spawn('ls', ['-lh', '/usr']...
How to make a DIV visible and invisible with JavaScript
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if [DIV] is an element then
[DIV].style.visibility='visible'
OR
[DIV].style.visibility='hidden'
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How default .equals and .hashCode will work for my classes?
...s, the default implementation is Object's (generally speaking; if you inherit from a class that redefined equals and/or hashCode, then you'll use that implementation instead).
From the documentation:
equals
The equals method for class Object implements the most discriminating possible equivale...
Is it possible to create a File object from InputStream
...m using convenient IOUtils.copy() to avoid manual copying of streams. Also it has built-in buffering.
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How can I add a box-shadow on one side of an element?
... to create a box-shadow on some block element, but only (for example) on its right side. The way I do it is to wrap the inner element with box-shadow into an outer one with padding-right and overflow:hidden; so the three other sides of the shadow are not visible.
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