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When should we call System.exit in Java
... run shutdown hooks before the program quits. This is a convenient way to handle shutdown in bigger programs, where all parts of the program can't (and shouldn't) be aware of each other. Then, if someone wants to quit, he can simply call System.exit(), and the shutdown hooks (if properly set up) tak...
How can I get file extensions with JavaScript?
... Isn't it expensive to exec the regex twice?
– Andrew Hedges
Oct 11 '08 at 7:39
6
The highl...
Standardize data columns in R
I have a dataset called spam which contains 58 columns and approximately 3500 rows of data related to spam messages.
15 ...
Asynchronous Process inside a javascript for loop [duplicate]
...ronous operations are started. When they complete some time in the future and call their callbacks, the value of your loop index variable i will be at its last value for all the callbacks.
This is because the for loop does not wait for an asynchronous operation to complete before continuing on t...
Java switch statement multiple cases
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@YuryLitvinov do you want to expand why you think it's incorrect?
– Bala R
May 14 '12 at 13:14
1
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Java Persistence / JPA: @Column vs @Basic
What is the difference between @Column and @Basic annotations in JPA? Can they be used together? Should they be used together? Or does one of them suffice?
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CodeFile vs CodeBehind
What is the difference between CodeFile ="file.ascx.cs" and CodeBehind ="file.ascx.cs" in the declaration of a ASP.NET user control?
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AngularJS browser autofill workaround by using a directive
When submitting a form in AngularJS and use the browser remember password functionality, and in a subsequent login attempt you let the browser fill in the login form with the username and password, the $scope model won't be changed based on the autofill.
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What is the meaning of “$” sign in JavaScript
...from one of the popular JavaScript libraries (jQuery, ProtoType, mooTools, and so on).
There's nothing mysterious about the use of $ in JavaScript. $ is simply a valid JavaScript identifier.
JavaScript allows upper and lower letters, numbers, and $ and _. The $ was intended to be used for machine-...
Can't stop rails server
I am new to rails and I am using an ubuntu machine and the rubymine IDE. The problem is that I am unable to stop the rails server. I tried to stop the server by killing the rails process. But, when I run pgrep -l rails , no such process is found. So, I am only able to kill ruby processes, but, the ...