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PHP namespaces and “use”
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The use operator is for giving aliases to names of classes, interfaces or other namespaces. Most use statements refer to a namespace or class that you'd like to shorten:
use My\Full\Namespace;
is equivalent to:
use My\Full\Namespace as...
Is it possible to install iOS 6 SDK on Xcode 5?
...code 5 has a preferences pane that allow one to download iPhone 6.1 simulator, however I can't find a place where it allows downloading of iOS 6 SDK, thus it is not possible to set the active SDK to iOS 6 when developing with Xcode 5. Is there a workaround that would allow Xcode 5 to install iOS 6 S...
How do browser cookie domains work?
...9) that should define the cookie nowadays, most browsers don’t fully support that but just comply to the original specification by Netscape.
There is a distinction between the Domain attribute value and the effective domain: the former is taken from the Set-Cookie header field and the latter is t...
How to Sync iPhone Core Data with web server, and then push to other devices? [closed]
I have been working on a method to sync core data stored in an iPhone application between multiple devices, such as an iPad or a Mac. There are not many (if any at all) sync frameworks for use with Core Data on iOS. However, I have been thinking about the following concept:
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How to link Docker services across hosts?
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Update
Docker has recently announced a new tool called Swarm for Docker orchestration.
Swarm allows you do "join" multiple docker daemons: You first create a swarm, start a swarm manager on one machine, and have docker daemons "join" the swarm manager using the swarm's identifier. The...
client secret in OAuth 2.0
...e my views on the subject in the answer.
Yes there is a real possibility for this and there were some exploits based on this. Suggestion is not to keep the app secret in your app, there is even part in the spec that distributed apps should not use this token. Now you might ask, but XYZ requires it ...
Scanner vs. StringTokenizer vs. String.Split
...r and String.Split. I know that the StringTokenizer and String.Split only work on Strings, so why would I want to use the Scanner for a String? Is Scanner just intended to be one-stop-shopping for spliting?
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How to convert DOS/Windows newline (CRLF) to Unix newline (LF) in a Bash script?
... # Unix to DOS
However, if you're going to have to do this very often (more than once, roughly speaking), it is far more sensible to install the conversion programs (e.g. dos2unix and unix2dos, or perhaps dtou and utod) and use them.
If you need to process entire directories and subdirectories, ...
Ruby: require vs require_relative - best practice to workaround running in both Ruby =1.
...ractice if I want to require a relative file in Ruby and I want it to work in both 1.8.x and >=1.9.2?
11 Answers
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Is recursion ever faster than looping?
...ilers, one can use a compiler flag to eliminate this overhead, which transforms certain types of recursion (actually, certain types of tail calls) into jumps instead of function calls.
In functional programming language implementations, sometimes, iteration can be very expensive and recursion can b...