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Why is there no xrange function in Python3?
...y (linked to, I believe, the change that replaced the last instance of the string "xrange" anywhere in the file).
So, why is it slower?
Well, for one, they've added a lot of new features. For another, they've done all kinds of changes all over the place (especially inside iteration) that have mino...
Creating PHP class instance with a string
... two classes, class ClassOne { } and class ClassTwo {} . I am getting a string which can be either "One" or "Two" .
4...
I need to generate uuid for my rails application. What are the options(gems) I have? [duplicate]
...:contacts, id: false do |t|
t.column :id, :uuid, null:false
t.string :name
t.string :mobile_no
t.timestamps
end
end
end
Final how to use into your model
class Contact < ActiveRecord::Base
usesguid
end
This will help you to configure UUID for your rails ap...
Swift: declare an empty dictionary
...
var emptyDictionary = [String: String]()
var populatedDictionary = ["key1": "value1", "key2": "value2"]
Note: if you are going to change the contents of the dictionary over time then declare it as a var (variable). You can declare an empty ...
Is there a Subversion command to reset the working copy?
...
That does not delete extra unversioned files in the working copy, does it?
– zoul
Jun 1 '11 at 16:33
...
Why is arr = [] faster than arr = new Array?
...Y_INIT from an object property accessor (e.g. obj[foo]) or brackets inside strings/regex literals (e.g. "foo[]bar" or /[]/)
This is miniscule, but we also have more tokens with new Array. Furthermore, it's not entirely clear yet that we simply want to create an array. We see the "new" token, but "...
HTML+CSS: How to force div contents to stay in one line?
...ple of things here, you need overflow: hidden if you don't want to see the extra characters poking out into your layout.
Also, as mentioned, you could use white-space: pre (see EnderMB) keeping in mind that pre will not collapse white space whereas white-space: nowrap will.
...
In an array of objects, fastest way to find the index of an object whose attributes match a search
... @ZeroAbsolute Your applied function (passed to map) can return a hash string which should provide a unique key for each possible combination given by your criteria. For example: function hashf(el) { return String(el.id) + "_" + String(el.name); }. This is just a hint: elementPos = array.map(has...
Enterprise app deployment doesn't work on iOS 7.1
...is bit
Fill in your certificate information (Must contain only ascii chars!, thanks @Jasper Blues)
Save the generate CSR somewhere
Creating the Certificate
Acting as the certificate authority again, it's up to you to decide if the person who sent you the CSR is genuine and they're ...
How to make a copy of a file in android?
...
These worked nice for me
public static void copyFileOrDirectory(String srcDir, String dstDir) {
try {
File src = new File(srcDir);
File dst = new File(dstDir, src.getName());
if (src.isDirectory()) {
String files[] = src.list();
int f...