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Do you leave parentheses in or out in Ruby? [closed]
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From the Elements of Ruby Style
Ruby allows you to leave out parenthesis, in general, resist this
temptation.
Parenthesis make the code easier to
follow. General Ruby style is to use
them, except in the following cases:
Always leave out empty ...
What exactly does the .join() method do?
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join takes an iterable thing as an argument. Usually it's a list. The problem in your case is that a string is itself iterable, giving out each character in turn. Your code breaks down to this:
"wlfgALGbXOahekxSs".join("595")
which acts the same as this:
"wlfgALGbXOah...
Save Javascript objects in sessionStorage
SessionStorage and LocalStorage allows to save key/value pairs in a web browser. The value must be a string, and save js objects is not trivial.
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Get current URL of UIWebView
... This is the only way it works for example in m.youtube.com. All other answers return wrong URLs.
– cprcrack
Oct 23 '13 at 12:14
2
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Responsive image align center bootstrap 3
...When displayed on tablets, the product images look ugly because of their small size (500x500) and a width of 767 pixels in the browser. I want to put the image in the center of the screen, but for some reason I can not. Who be will help solve the problem?
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In Intellij IDEA how do I replace text with a new line?
Say I wanted to replace all commas with commas and a new line using Intellij IDEA's replace function. What do I put in the search box? In vim I'd use &\r
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How to write iOS app purely in C
...d in remain the same whether or not
// you are using VA_ARGS. This is actually the basis of the objective-c
// runtime (objc_msgSend), so we are probably fine here, this would be
// the last thing I would expect to break.
extern int UIApplicationMain(int, ...);
// Entry point of the application....
Removing an item from a select box
...ray $("#myselect").removeOption(["myselect_1", "myselect_2"]);
To remove all options, you can do $("#myselect").removeOption(/./);.
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Good tool to visualise database schema? [closed]
...om). It works with a variety of databases including SQLite, and their EULA allows the free version to be used for commercial projects.
– Aralox
Jul 29 '16 at 5:05
add a commen...
jquery live hover
... Using mouseover and mouseout events here will cause the code to continually fire as the user moves the mouse around inside the element. I think mouseenter and mouseleave are more appropriate since it'll only fire once upon entry.
– johntrepreneur
Jan 25 '13...