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Which kind of pointer do I use when?
...ou need no ownership and resettability where references won't cut it, even then you might want to consider rewriting the original object to be a shared_ptr and the non owning pointer to be a weak_ptr...
– David Rodríguez - dribeas
Jan 2 '12 at 23:33
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Getting java.lang.ClassNotFoundException: org.apache.commons.logging.LogFactory exception
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You just download commons-logging-1.1.2.jar and then copy this file in to libs
finally, it works.
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How to remove the first Item from a list?
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Then just delete it:
x = [0, 1, 2, 3, 4]
del x[0]
print x
# [1, 2, 3, 4]
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What are the key differences between Meteor, Ember.js and Backbone.js? [closed]
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I'd say if you are looking to learn this style of application development then on the one hand, the wealth of open source backbone examples around could be good for you. But on the other hand, although new, the Ember package is actually more complete IMO than backbone.
Both give you the ability t...
How do you close/hide the Android soft keyboard using Java?
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Calling editText.clearFocus() then InputMethodManager.HIDE_IMPLICIT_ONLY even works on 4.1
– sprocket12
Nov 30 '13 at 12:57
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Difference between HEAD and master
...y checked out). If you know you want to be committing to the master branch then push to this.
Here is a visual example:
On your own repository you can check where the HEAD is pointing to by running this:
$ git symbolic-ref HEAD
refs/heads/master
However, finding out where the remotes/origin/H...
How to generate .NET 4.0 classes from xsd?
...ooking for. you have to run it first in the program files (x86) directory, then use the vsix installer. then it works great. it was FAR SUPERIOUR to the xsd.exe which generated arrays[][] instead of lists.i had a giant .xsd and i need to create classes to serialize the XML into. xsd.exe wouldn't gen...
How can I extract a good quality JPEG image from a video file with ffmpeg?
... below if your input is MJPEG.
MJPEG
If your input is MJPEG (Motion JPEG) then the images can be extracted without any quality loss.
The ffmpeg or ffprobe console output can tell you if your input is MJPEG:
$ ffprobe -v error -select_streams v:0 -show_entries stream=codec_name -of default=nw=1 inpu...
How to Debug Variables in Smarty like in PHP var_dump()
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A lot better then the chose answer.
– Damien
Aug 15 '12 at 11:27
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How does std::forward work? [duplicate]
...; TR (rvalue reference to T)
(Shamelessly stolen from this answer.)
And then let's take a look at a class that wants to employ perfect forwarding:
template<class T>
struct some_struct{
T _v;
template<class U>
some_struct(U&& v)
: _v(static_cast<U&&>(v)...