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How to check for null in Twig?
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answered Dec 23 '10 at 16:12
NikiCNikiC
93.7k3030 gold badges176176 silver badges217217 bronze badges
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Combine Date and Time columns using python pandas
...you to apply to_datetime:
In [11]: df['Date'] + ' ' + df['Time']
Out[11]:
0 01-06-2013 23:00:00
1 02-06-2013 01:00:00
2 02-06-2013 21:00:00
3 02-06-2013 22:00:00
4 02-06-2013 23:00:00
5 03-06-2013 01:00:00
6 03-06-2013 21:00:00
7 03-06-2013 22:00:00
8 03-06-2013 23:00:00
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How to Free Inode Usage?
I have a disk drive where the inode usage is 100% (using df -i command).
However after deleting files substantially, the usage remains 100%.
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How do you create a random string that's suitable for a session ID in PostgreSQL?
...ndom_string(length integer) returns text as
$$
declare
chars text[] := '{0,1,2,3,4,5,6,7,8,9,A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,V,W,X,Y,Z,a,b,c,d,e,f,g,h,i,j,k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z}';
result text := '';
i integer := 0;
begin
if length < 0 then
raise exception 'Given le...
HTML5: number input type that takes only integers?
...n achieve with HTML only (documentation):
<input type="number" min="0" step="1"/>
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IEnumerable and Recursion using yield return
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answered Jan 13 '10 at 10:29
Marcin SeredynskiMarcin Seredynski
6,65722 gold badges1818 silver badges2626 bronze badges
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UIScrollView not scrolling
...entSize = contentView.frame.size; //sets ScrollView content size
Swift 4.0
let myScrollView
let contentView
// scrollview won't scroll unless content size explicitly set
myScrollView.addSubview(contentView)//if the contentView is not already inside your scrollview in your xib/StoryBoard doc
my...
How to Set Opacity (Alpha) for View in Android
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answered May 25 '10 at 11:52
RoToRaRoToRa
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Fragment onResume() & onPause() is not called on backstack
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edited May 22 '14 at 10:06
Stephen Ostermiller
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My Understanding of HTTP Polling, Long Polling, HTTP Streaming and WebSockets
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edited Sep 26 '12 at 20:10
leggetter
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answered...