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Node.js create folder or use existing
... var fs = Npm.require('fs'); var dir = process.env.PWD + '/files/users/' + this.userId + '/'; try { fs.mkdirSync(dir); } catch (e) { if (e.code != 'EEXIST') throw e; }
– Aaron
Dec 22 '14 at 20:19
...
How to not run an example using roxygen2?
...xamples tag you can use the \dontrun environment directly in the example.R file. For example
# example.R
\dontrun{
# this is a long running example
for(i in seq(1, 1e5)) { lm(mpg ~ wt, data = mtcars) }
}
# some other shorter example
2 + 2
...
unbound method f() must be called with fibo_ instance as first argument (got classobj instance inste
... print "hi"
...
>>> C.f()
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
TypeError: unbound method f() must be called with C instance as
first argument (got nothing instead)
It fails because of TypeError because you didn't instantiate the class fi...
Xcode 4 - “Archive” is greyed out?
...user-friendly. I've spent so long trying to get the stupid provisioning profiles and push certificates to work and trying to export my app, barely making it by Googling everything. About as much time as I've spent coding so far.
– sudo
Mar 17 '14 at 5:56
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How can a Java program get its own process ID?
...
that pid is good to write on a lock file as stackoverflow.com/a/9020391/1422630
– Aquarius Power
Feb 2 '15 at 20:24
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How to trigger a phone call when clicking a link in a web page on mobile phone
...t), along with its href attribute, creates a hyperlink to other web pages, files, locations within the same page, email addresses, or any other URL.
[…]
Offering phone links is helpful for users viewing web documents and laptops connected to phones.
<a href="tel:+491570156">+4...
Using IoC for Unit Testing
...blic void Should_save_image()
{
container.ConfigureMockFor<IFileRepository>()
.Setup(r => r.Create(It.IsAny<IFile>()))
.Verifiable();
AddToGallery(new RequestWithRealFile());
container.VerifyMockFor<IFileRepository>();
}
...
How to view the list of compile errors in IntelliJ?
...
To initially access the 'settings' - CTRL+ALT+S (or File > Settings)
– Chris Halcrow
May 22 '19 at 0:18
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Proper usage of Java -D command-line parameters
...r myApplication.jar
From the command line help:
java [-options] -jar jarfile [args...]
In other words, the way you've got it at the moment will treat -Dtest="true" as one of the arguments to pass to main instead of as a JVM argument.
(You should probably also drop the quotes, but it may well w...
Bug With Firefox - Disabled Attribute of Input Not Resetting When Refreshing
...+perl snippet to automate this in the case of <button>s in your HTML files/templates (under some assumptions):
find /path/to/html/templates -type f -name '*.html' -exec perl -pi -e \
's/(?<=<button )(.*?)(?=>)/@{[(index($1,"autocomplete=")!=-1?"$1":"$1 autocomplete=\"off\"")]}/g' \...