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JavaScript - cannot set property of undefined
...p up coders. (True associate arrays aren[t limited by requiring keys to be strings. The presence of inherited predefined properties is another major difference.) On the other hand, Javascript arrays, while objects, act like one expects a numerical array to behave. One is an aspect of functionalit...
.gitignore for Visual Studio Projects and Solutions
...if you want to checkin your web deploy settings
# but database connection strings (with potential passwords) will be unencrypted
*.pubxml
*.publishproj
# NuGet Packages
*.nupkg
# The packages folder can be ignored because of Package Restore
**/packages/*
# except build/, which is used as an MSBuil...
Select N random elements from a List in C#
...neric list. For example, I'd like to get 5 random elements from a List<string> .
29 Answers
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How can I manipulate the strip text of facet_grid plots?
...it in a way that makes sense.
Typically if I have a dataset$variable with strings that looks like
c("median_something", "aggregated_average_x","error","something_else")
I simply do:
reformat <– function(x,lab="\n"){ sapply(x, function(c){ paste(unlist(strsplit(as.character(c) , split="_")...
Check a collection size with JSTL
...urns the number of items in a collection, or the number of characters in a string.
Put this at the top of JSP page to allow the fn namespace:
<%@ taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/functions" %>
Or if you're using JSPX or Facelets:
<... xmlns:fn="http://java.sun.com/jsp/...
Permanently Set Postgresql Schema Path
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Yes, those are identifiers, not strings.
– Ludovic Kuty
Aug 27 at 7:15
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Are static fields open for garbage collection?
....e. static stuff) will almost never be garbage collected. The exception is String pool.
So before you suddenly decide to do
private static MyGiantClass myGiantObject = new MyGiantClass()
Think twice as I have learnt the hard way.
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How to pass the -D System properties while testing on Eclipse?
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The top box is for the String[] args passed to the main method.
– jaco0646
Sep 23 '15 at 21:42
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Convert from java.util.date to JodaTime
...e following objects:
* Date - a JDK instant
* Calendar - a JDK calendar
* String - in ISO8601 format
* Long - in milliseconds
* any Joda-Time datetime class
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Configure Log4net to write to multiple files
... LogManager.GetLogger("SomeName"); get an error cannot convert from string to System.Type. What is missing?
– Benk
May 22 '19 at 19:40
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