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How to sum up elements of a C++ vector?
...tor.begin(); it != vector.end(); ++it)
sum_of_elems += *it;
Using a standard algorithm:
#include <numeric>
sum_of_elems = std::accumulate(vector.begin(), vector.end(), 0);
Important Note: The last argument's type is used not just for the initial value, but for the type of the resu...
Manually adding a Userscript to Google Chrome
...ey extension.
This will allow you to easily install Greasemonkey scripts, and to easily manage them. Also it makes it easier to install userscripts directly from sites like OpenUserJS, MonkeyGuts, etc.
Finally, it unlocks most all of the GM functionality that you don't get by installing a GM scri...
How do Google+ +1 widgets break out of their iframe?
...me. This JavaScript widget is running within the context of your website and therefore is not constrained by the Origin Inheritance Rules for iframes. Therefore this JavaScript widget can set whatever DOM events it wants on the parent site even though it appears to be just a simple iframe.
Anot...
Accessing console and devtools of extension's background.js
I just started out with Google Chrome extensions and I can't seem to log to console from my background js. When an error occurs (because of a syntax error, for example), I can't find any error messages either.
...
How do I install from a local cache with pip?
...irtualenv environments. Is there a way that I can download a package once and then have pip install from a local cache?
...
How do I select an element in jQuery by using a variable for the ID?
...
Also, you should consider renaming your ids to something more meaningful (and HTML compliant as per Paolo's answer), especially if you have another set of data that needs to be named as well.
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Gesture recognizer and button actions
...archy is not working in this case. It probably should, but it's not being handled by Apple.
– Mustafa
Jan 28 '11 at 7:29
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Vertically align text next to an image?
Why won't vertical-align: middle work? And yet, vertical-align: top does work.
23 Answers
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Using the “animated circle” in an ImageView while loading stuff
...ut this block of xml in your activity layout file:
<RelativeLayout
android:id="@+id/loadingPanel"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:gravity="center" >
<ProgressBar
android:layout_width="wrap_content"
androi...
What should go into an .h file?
...ur code up into multiple files just what exactly should go into an .h file and what should go into a .cpp file?
12 Answers...