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How do I check if a string contains another string in Objective-C?
...re on iOS 8 or OS X Yosemite, you can now do: (*NOTE: This WILL crash your app if this code is called on an iOS7 device).
NSString *string = @"hello bla blah";
if ([string containsString:@"bla"]) {
NSLog(@"string contains bla!");
} else {
NSLog(@"string does not contain bla");
}
(This is also...
How to get a Docker container's IP address from the host
...s the form {{ .NetworkSettings.Networks.$network.IPAddress }}. The default appears to be bridge, but under docker-compose this will be a specific name that depends on the name of your app (I think from the --project-name flag, though that's also going to depend on what type of networking config you...
Why should I use Restify?
...uilt in DTrace probes that you get for free to quickly find out where your application’s performance problems lie. Lastly, it provides a robust client API that handles retry/backoff for you on failed connections, along with some other niceties.
Performance issues and bugs can probably be fixed. ...
What is the difference between an interface and a class, and why I should use an interface when I ca
... Hey that looks like a very good ingredient for me to understand, I really appreciate it, thanks a lot :) :)
– Jasmine
Jun 6 '12 at 13:46
...
How to add System.Windows.Interactivity to project?
...fuse to compile.
To fix, add an Assembly Binding Redirect by editing your app.config to look something like this:
<?xml version="1.0"?>
<configuration>
<runtime>
<assemblyBinding xmlns="urn:schemas-microsoft-com:asm.v1">
<dependentAssembly>
<assemblyIde...
How do you display a Toast from a background thread on Android?
...
For TOAST, always use Application Context, not Activity Context!
– Yousha Aleayoub
Sep 21 '15 at 8:35
1
...
How to reset a timer in C#?
... The other issue is that only woeks with Forms.Timer, and my app has no GUI (Application.Start() with no parameters), so I THINK that the Threading.Timer class is better for other reasons, but good point.
– Matthew Scharley
Jun 25 '09 at 5:27
...
What's the purpose of META-INF?
...>
<manifest>
<attribute name="Main-Class" value="MyApplication"/>
</manifest>
</jar>
At least, I think that's easy... :-)
The point is that META-INF should be considered an internal Java meta directory. Don't mess with it! Any files you want to includ...
Should I use static_cast or reinterpret_cast when casting a void* to whatever
...terpret_cast has a number of meanings, for all of which holds that “the mapping performed by reinterpret_cast is implementation-defined.” [5.2.10.3]
But in the particular case of casting from void* to T* the mapping is completely well-defined by the standard; namely, to assign a type to a typel...
Is there a timeout for idle PostgreSQL connections?
...
It sounds like you have a connection leak in your application because it fails to close pooled connections. You aren't having issues just with <idle> in transaction sessions, but with too many connections overall.
Killing connections is not the right answer for that, ...