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How do you convert a byte array to a hexadecimal string, and vice versa?
...ng(i, 2), 16);
return bytes;
}
Using Substring is the best option in combination with Convert.ToByte. See this answer for more information. If you need better performance, you must avoid Convert.ToByte before you can drop SubString.
...
Using a custom image for a UITableViewCell's accessoryView and having it respond to UITableViewDeleg
...ve to create your accessory as a button or other UIControl subclass (I'd recommend a button using -buttonWithType:UIButtonTypeCustom and setting the button's image, rather than using a UIImageView).
Here's some things I use in Outpost, which customizes enough of the standard widgets (just slightly,...
F# development and unit testing?
...eveloping) an F# specific unit testing library called Unquote: code.google.com/p/unquote. It allows you to write test assertions as plain, statically checked F# boolean expressions using F# Quotations and automatically produces nice test failure messages. It works configuration-free with special sup...
How do you keep parents of floated elements from collapsing? [duplicate]
...n't even need to add a class to the parent DIV.
This solution is backward compatible with IE8 so you don't need to worry about older browsers failing.
Solution 2:
An adaptation of solution 1 has been suggested and is as follows:
Demo: http://jsfiddle.net/wXaEH/162/
HTML:
<div class="clearf...
delegate keyword vs. lambda notation
Once it is compiled, is there a difference between:
6 Answers
6
...
How to pass anonymous types as parameters?
...bugs (you're sidestepping the type system). However, if you want to find a compromise, another way is to simply pass a generic Dictionary. C# dictionary initializers are pretty convenient to use these days.
– Jonas
Feb 4 '15 at 10:19
...
Is there a difference between using a dict literal and a dict constructor?
... An example of where a local called dict might be useful: stackoverflow.com/a/7880276/313113
– bitek
Oct 27 '14 at 8:53
...
Check if application is on its first run [duplicate]
... // Perhaps set content view here
prefs = getSharedPreferences("com.mycompany.myAppName", MODE_PRIVATE);
}
@Override
protected void onResume() {
super.onResume();
if (prefs.getBoolean("firstrun", true)) {
// Do first run stuff here then set 'first...
Differences between strong and weak in Objective-C
...t to "own" the object you are referencing with this property/variable. The compiler will take care that any object that you assign to this property will not be destroyed as long as you point to it with a strong reference. Only once you set the property to nil will the object get destroyed (unless on...
Is it possible in Java to catch two exceptions in the same catch block? [duplicate]
.../ Handle both exceptions
}
The static type of ex is the most specialized common supertype of the exceptions listed. There is a nice feature where if you rethrow ex in the catch, the compiler knows that only one of the listed exceptions can be thrown.
Java 6 and earlier
Prior to Java 7, there ...