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What is the meaning and difference between subject, user and principal?
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edited Feb 17 '11 at 20:12
answered Feb 17 '11 at 4:45
T....
How do synchronized static methods work in Java and can I use it for loading Hibernate entities?
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answered Feb 23 '09 at 19:12
starbluestarblue
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How to wait for a BackgroundWorker to cancel?
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Fredrik KalsethFredrik Kalseth
12.2k44 gold badges2121 silver badges1717 bronze badges
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How to append rows to an R data frame
...nsive insight than system.time:
library(microbenchmark)
microbenchmark(f1(1000), f3(1000), f4(1000), times = 5)
# Unit: milliseconds
# expr min lq median uq max neval
# f1(1000) 1024.539618 1029.693877 1045.972666 1055.25931 1112.769176 5
# f3(1000) ...
Passing functions with arguments to another function in Python?
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128
This is what lambda is for:
def Perform(f):
f()
Perform(lambda: Action1())
Perform(lambd...
How do I give text or an image a transparent background using CSS?
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.background {
position: absolute;
top: 0px;
left: 0px;
width: 100%;
height: 100%;
background-color: Black;
z-index: 1;
/* These three lines are for transparency in all browsers. */
-ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=50)";
filter: alpha(opacity...
HTML Entity Decode [duplicate]
...7359/…
– Salman von Abbas
Jun 24 '12 at 2:57
its good but doesn't allways work it works within a div tag but for exa...
/bin/sh: pushd: not found
.../bin/bash.
– Jan Hudec
Mar 4 '11 at 12:01
@Jan Hudec, ah! Good catch. Thanks.
– sarnold
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How do I output an ISO 8601 formatted string in JavaScript?
...called toISOString():
var date = new Date();
date.toISOString(); //"2011-12-19T15:28:46.493Z"
If, somehow, you're on a browser that doesn't support it, I've got you covered:
if ( !Date.prototype.toISOString ) {
( function() {
function pad(number) {
var r = String(number);
if ...
Docker: adding a file from a parent directory
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edited Jun 20 '16 at 12:45
answered Jul 2 '14 at 20:01
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