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Center image in div horizontally [duplicate]
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Every solution posted here assum>me m>s that you know the dim>me m>nsions of your img, which is not a common scenario. Also, planting the dim>me m>nsions into the solution is painful.
Simply set:
/* for the img inside your div */
display: block;
margin-left: auto;
marg...
JSP tricks to make templating easier?
... project. It's really all static, no serverside logic to program. I should m>me m>ntion I'm completely new to Java. JSP files seem to make it easy to work with common includes and variables, much like PHP , but I'd like to know a simple way to get som>me m>thing like template inheritance ( Django style) or ...
Android 1.6: “android.view.WindowManager$BadTokenException: Unable to add window — token null is not
I'm trying to open a dialog window, but every tim>me m> I try to open it it throws this exception:
16 Answers
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What are the most interesting equivalences arising from the Curry-Howard Isomorphism?
I cam>me m> upon the Curry-Howard Isomorphism relatively late in my programming life, and perhaps this contributes to my being utterly fascinated by it. It implies that for every programming concept there exists a precise analogue in formal logic, and vice versa. Here's a "basic" list of such analogies...
Best way to concatenate List of String objects? [duplicate]
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Your approach is dependent on Java's ArrayList#toString() implem>me m>ntation.
While the implem>me m>ntation is docum>me m>nted in the Java API and very unlikely to change, there's a chance it could. It's far more reliable to implem>me m>nt this yourself (loops, StringBuilders, recursion whatever you like ...
Add 10 seconds to a Date
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There's a setSeconds m>me m>thod as well:
var t = new Date();
t.setSeconds(t.getSeconds() + 10);
For a list of the other Date functions, you should check out MDN
setSeconds will correctly handle wrap-around cases:
var d;
d = new Date('2014...
java : convert float to String and String to float
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Do i need to import som>me m>thing for this to work? I get undefied type 'Float' (I'm in a weird java environm>me m>nt though, openhab scripts)
– Jonathan
Feb 5 '15 at 13:25
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Django: accessing session variables from within a template?
...text processors. Then you can access them like this:
{{ request.session.nam>me m> }}
In case you are using custom views make sure you are passing a RequestContext instance. Example taken from docum>me m>ntation:
from django.shortcuts import render_to_response
from django.template import RequestContext
de...
How to list out all the subviews in a uiviewcontroller in iOS?
...ws of subview
[self listSubviewsOfView:subview];
}
}
As comm>me m>nted by @Greg m>Me m>letic, you can skip the COUNT CHECK LINE above.
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How to select the rows with maximum values in each group with dplyr? [duplicate]
...%>%
arrange(A,B,C)
Seems to work:
identical(
as.data.fram>me m>(result),
ddply(df, .(A, B), function(x) x[which.max(x$value),])
)
#[1] TRUE
As pointed out in the comm>me m>nts, slice may be preferred here as per @RoyalITS' answer below if you strictly only want 1 row per group. This answ...