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Remove Last Comma from a string
...I got,. commas, here,";
var pattern=/,/g;
var currentIndex;
while (pattern.test(sentence)==true) {
currentIndex=pattern.lastIndex;
}
if(currentIndex==sentence.trim().length)
alert(sentence.substring(0,currentIndex-1));
else
alert(sentence);
...
Rename a file in C#
...
@SepehrM, I did not test it, but the samples you point to use FileInfo.Move and not File.Move so maybe that has something to do with it?
– Chris Taylor
Jul 7 '14 at 12:31
...
Pip freeze vs. pip list
...ere, django==1.4.2 implies install django version 1.4.2 (even though the latest is 1.6.x).
If you do not specify ==1.4.2, the latest version available would be installed.
You can read more in "Virtualenv and pip Basics",
and the official "Requirements File Format" documentation.
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How to attach my repo to heroku app
...u choose one for you.
Let say your heroku app name is new-app-xxxxx, so to test on adding a file in to it you may try the following command:
git clone https://git.heroku.com/<new-app-xxxxx>.git
cd <new-app-xxxxx>
echo "my test file" > test.txt
git add .
git commit . -m "my test on co...
What is the difference between CMD and ENTRYPOINT in a Dockerfile?
... the image without any argument will ping the localhost:
$ docker run -it test
PING localhost (127.0.0.1): 48 data bytes
56 bytes from 127.0.0.1: icmp_seq=0 ttl=64 time=0.096 ms
56 bytes from 127.0.0.1: icmp_seq=1 ttl=64 time=0.088 ms
56 bytes from 127.0.0.1: icmp_seq=2 ttl=64 time=0.088 ms
^C--- l...
dynamic_cast and static_cast in C++
...lass Derived2 : public Base {};
class ReDerived : public Derived {};
void test( Base & base )
{
dynamic_cast<Derived&>(base);
}
int main() {
Base b;
Derived d;
Derived2 d2;
ReDerived rd;
test( b ); // throw: b is not a Derived object
test( d ); // ok
test...
Checking for a dirty index or untracked files with Git
...s
My first thought is to just check whether these commands have output:
test -z "$(git ls-files --others)"
If it exits with 0 then there are no untracked files. If it exits with 1 then there are untracked files.
There is a small chance that this will translate abnormal exits from git ls-file...
What are best practices for validating email addresses on iOS 2.0
...7f]|\\\\[\\x01-\\x09\\x0b\\x0c\\x0e-\\x7f])+)\\])";
NSPredicate *emailTest = [NSPredicate predicateWithFormat:@"SELF MATCHES[c] %@", emailRegex];
return [emailTest evaluateWithObject:candidate];
}
share
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How do I preview emails in Rails?
...previewing emails in Rails 4.1. For example, check this out:
# located in test/mailers/previews/notifier_mailer_preview.rb
class NotifierPreview < ActionMailer::Preview
# Accessible from http://localhost:3000/rails/mailers/notifier/welcome
def welcome
Notifier.welcome(User.first)
end
...
Webdriver Unable to connect to host 127.0.0.1 on port 7055 after 45000 ms
I have box where I run tests. It seems like Jenkins would ssh in and execute commands described in the specific job that's running.
...