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Split data frame string column into multiple columns
... it returns nothing. What could be the problem. my type is something like "test...score"
– user3841581
Mar 14 '16 at 8:15
2
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Returning value from called function in a shell script
...ere's how to do each of those options:
1. Echo strings
lockdir="somedir"
testlock(){
retval=""
if mkdir "$lockdir"
then # Directory did not exist, but it was created successfully
echo >&2 "successfully acquired lock: $lockdir"
retval="true"
else
ec...
WebService Client Generation Error with JDK8
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@JonOnstott: have the latest 2.4.1 and it's not working by default. Had to add this like in the answer.
– Robert Niestroj
May 31 '17 at 8:02
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How do I insert NULL values using PDO?
...PTY. So, you need check if it is empty(), and if it is, then insert NULL.
Tested on PHP 5.5.17
Good luck,
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Change private static final field using Java reflection
...tions
Using reflection to change static final File.separatorChar for unit testing
How to limit setAccessible to only “legitimate” uses?
Has examples of messing with Integer's cache, mutating a String, etc
Caveats
Extreme care should be taken whenever you do something like this. It may not ...
How do you read from stdin?
... read input from a keyboard, He is asking to read from stdin which in a contest situation is usually provided to the contestants.
– chrisfs
Apr 22 '18 at 21:45
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Get controller and action name from within controller?
...xample of using System.Web.HttpContext static reference)
string sessionTest = System.Web.HttpContext.Current.Session["test"] as string
}
NOTE: likely not the most supported way to access all properties in HttpContext, but for RequestContext and Session it appears to work fine in my application...
“x not in y” or “not x in y”
When testing for membership, we can use:
6 Answers
6
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CSS technique for a horizontal line with words in the middle
...ackground:#fff;
padding:0 10px;
}
<h2><span>THIS IS A TEST</span></h2>
<p>this is some content other</p>
I tested in Chrome only, but there's no reason it shouldn't work in other browsers.
JSFiddle: http://jsfiddle.net/7jGHS/
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Is there a way to auto expand objects in Chrome Dev Tools?
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Testing this is in OSX chrome 46, it expands all the prototype object too, which makes it as bad as having to click on every arrow. Instead, you have to find the properties (hasOwn) in the middle of 50 prototype methods, pro...