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Rails: how do I validate that something is a boolean?
...oth Rails 3 and 4, having validates :field, inclusion: [true, false] would test for inclusion in a list of values, with the side-effect to test for the field's presence (unless one of those values is nil of course).
– Martin Carel
Jul 14 '15 at 19:38
...
How does TestFlight do it?
TestFlight offers over-the-air beta distribution of iOS apps (on non-jailbroken devices). How can this be done? Is this an iOS feature, or a vulnerability exploit?
...
Better way to check variable for null or empty string?
...
I'll humbly accept if I'm wrong, but I tested on my own end and found that the following works for testing both string(0) "" and NULL valued variables:
if ( $question ) {
// Handle success here
}
Which could also be reversed to test for success as such:
if ...
How to debug a maven goal with intellij idea?
...
What if I want to run tests using mvn test -Dtest=com.example.MyTest (my test case fails only when run using maven) - IDEA breakpoints are ignored in this case, it seems... :(
– RobertG
Jun 20 '17 at 14:52
...
No newline at end of file
...n lead to unexpected behavior when using other tools on the file.
Here is test.txt:
first line
second line
There is no newline character on the last line. Let's see how many lines are in the file:
$ wc -l test.txt
1 test.txt
Maybe that's what you want, but in most cases you'd probably expect ...
String slugification in Python
...on-slugify
Works like this:
from slugify import slugify
txt = "This is a test ---"
r = slugify(txt)
self.assertEquals(r, "this-is-a-test")
txt = "This -- is a ## test ---"
r = slugify(txt)
self.assertEquals(r, "this-is-a-test")
txt = 'C\'est déjà l\'été.'
r = slugify(txt)
self.assertEquals(r...
Default filter in Django admin
...in):
def changelist_view(self, request, extra_context=None):
test = request.META['HTTP_REFERER'].split(request.META['PATH_INFO'])
if test[-1] and not test[-1].startswith('?'):
if not request.GET.has_key('decommissioned__exact'):
q = request.GET.cop...
Is there a better way to find out if a local git branch exists?
...ch exists. This will give you a false positive for a tag. You can easily test this yourself. You need refs/heads/ to distinguish from tags which are in refs/tags, and even remotes in refs/remotes.
– msouth
Jun 30 '16 at 20:08
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WiX tricks and tips
...
Creating Live, Test, Training, ... versions using the same source files.
In a nutshell: Create unique UpgradeCode for each installer and automagically define the first character of each Guid for each installer, leaving the remaining 31 uni...
What is the --save option for npm install?
...is is useful when installing development-only packages, like grunt or your testing library.
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