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Set default CRAN mirror permanent in R
...ROR")))
to your .Rprofile
Alternatively, you can set the mirror site-wide in your Rprofile.site. The location of the file is given by ?Startup:
The
path of this file is taken from the value of the R_PROFILE
environment variable (after tilde expansion). If this variable is
...
Coredata Error “data: ”
...n in the logs.
This seems to be such a common misunderstanding that I decided to write about it, here.
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Populate XDocument from String
...re StringReaders. This is an example of using TextReader, the fact it coincidentally shares the same reader as Parse is irrelevant.
– Chris Marisic
Apr 28 '14 at 13:30
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Format LocalDateTime with Timezone in Java8
... With what prefix would you have replaced the prefix "Local" to avoid confusion?
– Matthew
Mar 6 '16 at 19:06
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isset() and empty() - what to use
...t, it could be anything not null
With empty, the following things are considered empty:
"" (an empty string)
0 (0 as an integer)
0.0 (0 as a float)
"0" (0 as a string)
NULL
FALSE
array() (an empty array)
var $var; (a variable declared, but without a value in a class)
From http://php.net/manual/...
Does application.yml support environment variables?
... unix cli when starting the application? I know we can use -D to pass override parameters, but does that also work for env variables? Ex.: nohup java -Xmx1024m -jar -Dspring.profiles.active="whatever". Is there a way to do that with env vars?
– Igor Donin
Feb 1...
How do I turn off “Automatically Switch to Debug Perspective” mode in eclipse?
Is there a way to turn off this mode? I must have clicked it by accident, and now it's getting really annoying.
4 Answer...
Convert from java.util.date to JodaTime
...
@BabajidePrince No; then you would get the same value as new DateTime(null), which is exactly what we wanted to avoid. The expression is meant to maintain null as null, which is what makes sense in most situations.
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Send and receive messages through NSNotificationCenter in Objective-C?
...
@implementation TestClass
- (void) dealloc
{
// If you don't remove yourself as an observer, the Notification Center
// will continue to try and send notification objects to the deallocated
// object.
[[NSNotificationCenter defaultCenter] r...
Link and execute external JavaScript file hosted on GitHub
...<version or hash>/path/to/file.js
For production environments, consider targeting a specific tag or commit-hash rather than the branch. Using the latest link may result in long-term caching of the file, causing your link to not be updated as you push new versions. Linking to a file by commit...