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The simplest way to resize an UIImage?
In my iPhone app, I take a picture with the camera, then I want to resize it to 290*390 pixels. I was using this method to resize the image :
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How can I fill out a Python string with spaces?
...3? Just wanted to add there is also rjust and center which work much the same way but for different alignments
– radtek
Jan 22 '15 at 13:37
21
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How do I subtract minutes from a date in javascript?
...e this pseudo code into working js [don't worry about where the end date comes from except that it's a valid javascript date].
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Intellij IDEA: Hotkey for “scroll from source”
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Use dynamic variable names in JavaScript
...ince ECMA-/Javascript is all about Objects and Contexts (which, are also somekind of Object), every variable is stored in a such called Variable- (or in case of a Function, Activation Object).
So if you create variables like this:
var a = 1,
b = 2,
c = 3;
In the Global scope (= NO functi...
Using an integer as a key in an associative array in JavaScript
When I create a new JavaScript array, and use an integer as a key, each element of that array up to the integer is created as undefined.
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How do I make a column unique and index it in a Ruby on Rails migration?
...ld versions of Rails (see other answers for Rails 4+):
add_index :table_name, :column_name, unique: true
To index multiple columns together, you pass an array of column names instead of a single column name,
add_index :table_name, [:column_name_a, :column_name_b], unique: true
If you get "inde...
Unable to create/open lock file: /data/mongod.lock errno:13 Permission denied
...use a mounted drive on ec2? I really do not understand. I attached a volume on ec2 formatted the drive as root and start as root and yet as root I cant access? I am running on ubuntu 12.04. No other mongo is running
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Search all the occurrences of a string in the entire project in Android Studio
...this IDEA has a nice "Find Usages" command. It can be found in the context menu, when the cursor is on some field, method, etc.
It's context-aware, and as far as I know, is the best way to find class, method or field usage.
Alternatively, you can use the
Edit > Find > Find in path…
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How Big can a Python List Get?
In Python, how big can a list get? I need a list of about 12000 elements. Will I still be able to run list methods such as sorting, etc?
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