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Extracting numbers from vectors of strings
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gregexpr. I hadn't tried regexpr until just now. HUGE difference. Using regexpr puts it between Andrew's and Arun's solutions (second fastest) on a 1e6 set. Perhaps also interesting, using sub in Andrew's solution does not improve the speed.
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Facebook Access Token for Pages
...e_pages permission (you may need the user_events permission too, not sure)
Now access the me/accounts connection and copy your page's access_token
Click on your page's id
Add the page's access_token to the GET fields
Call the connection you want (e.g.: PAGE_ID/events)
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How to pass dictionary items as function arguments in python? [duplicate]
...l
cityName = city
standardName = standard
studentName = name
Now you can use ** when you call the function:
data = {'school':'DAV', 'standard': '7', 'name': 'abc', 'city': 'delhi'}
my_function(**data)
and it will work as you want.
P.S. Don't use reserved words such as class.(e.g.,...
How to convert a number to string and vice versa in C++
... edited Feb 17 '15 at 17:34
KnowItAllWannabe
11k66 gold badges3838 silver badges8484 bronze badges
answered Jun 18 '12 at 19:36
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Downloading Java JDK on Linux via wget is shown license page instead
..._linux-x64_bin.tar.gz
UPDATED FOR JDK 9
it looks like you can download it now directly from java.net without sending a header
wget http://download.java.net/java/GA/jdk9/9/binaries/jdk-9+181_linux-x64_bin.tar.gz
UPDATED FOR JDK 8u191
TAR GZ:
wget --no-cookies --no-check-certificate --header "Cookie...
PHP - Get key name of array value
...; 'a', 'second' => 'b', );
$key = array_search ('a', $arr);
$key will now contain the key for value 'a' (that is, 'first').
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Paused in debugger in chrome?
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sometimes you should know where to click.
– Darshan Thanki
Nov 5 '12 at 16:44
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Fastest way to determine if an integer's square root is an integer
...ming language (C/C++). Your results may vary, especially because I don't know how the Java factor will play out.
My approach is threefold:
First, filter out obvious answers. This includes negative numbers and looking at the last 4 bits. (I found looking at the last six didn't help.) I also an...
Passing Data between View Controllers
...elf didFinishEnteringItem:itemToPassBack];
That's it for ViewControllerB. Now in ViewControllerA.h, tell ViewControllerA to import ViewControllerB and conform to its protocol.
#import "ViewControllerB.h"
@interface ViewControllerA : UIViewController <ViewControllerBDelegate>
In ViewControl...
what are the .map files used for in Bootstrap 3.x?
...after you've combined and minified it, without impacting performance? Well now you can through the magic of source maps.
This article explains Source Maps using a practical approach.
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