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Handling applicationDidBecomeActive - “How can a view controller respond to the app becoming Active?
...egister it as an observer for the UIApplicationDidBecomeActiveNotification and specify which method that you want to call when that notification gets sent to your application.
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(someMeth...
How do I find all files containing specific text on Linux?
...th/to/somewhere/' -e 'pattern'
-r or -R is recursive,
-n is line number, and
-w stands for match the whole word.
-l (lower-case L) can be added to just give the file name of matching files.
Along with these, --exclude, --include, --exclude-dir flags could be used for efficient searching:
This wi...
Is it valid to replace http:// with // in a ?
...complying with the URI syntax specified in the RFC.
Your example is valid and should work. I've used that relative URL method myself on heavily trafficked sites and have had zero complaints. Also, we test our sites in Firefox, Safari, IE6, IE7 and Opera. These browsers all understand that URL fo...
Java Set retain order?
Does a Java Set retain order? A method is returning a Set to me and supposedly the data is ordered but iterating over the Set, the data is unordered. Is there a better way to manage this? Does the method need to be changed to return something other than a Set?
...
Solution for “Fatal error: Maximum function nesting level of '100' reached, aborting!” in PHP
I have made a function that finds all the URLs within an html file and repeats the same process for each html content linked to the discovered URLs. The function is recursive and can go on endlessly. However, I have put a limit on the recursion by setting a global variable which causes the recursion...
What is the simplest way to get indented XML with line breaks from XmlDocument?
...
Based on the other answers, I looked into XmlTextWriter and came up with the following helper method:
static public string Beautify(this XmlDocument doc)
{
StringBuilder sb = new StringBuilder();
XmlWriterSettings settings = new XmlWriterSettings
{
Indent = tr...
The OutputPath property is not set for this project
... out when the 'Production' configuration was added for the whole solution (and each project) the OutputPath element was not added to the .csproj files.
To fix, I went to the Build tab in project properties, changed OutputPath from \bin\Production\ to \bin\Production (deleted trailing \) and saved c...
Inputting a default image in case the src attribute of an html is not valid?
...tatic.net/Img/unified/sprites.svg?v=e5e58ae7df45" alt="Stack Overflow logo and icons and such">
</object>
</p>
</body>
</html>
Since the first image doesn't exist, the fallback (the sprites used on this web site*) will display. And if you're using a re...
Unable to open project… cannot be opened because the project file cannot be parsed
...ile to create an iPhone app. Today when my battery was low, I was working and constantly saving my source files then the power went out...
...
Why doesn't adding CORS headers to an OPTIONS route allow browsers to access my API?
...ss.js web framework. I have read a Google group discussion about how to handle this, and read a few articles about how CORS works. First, I did this (code is written in CoffeeScript syntax):
...