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Create a string with n characters
...o the string.
*/
public String spaces( int spaces ) {
return CharBuffer.allocate( spaces ).toString().replace( '\0', ' ' );
}
Invoke using:
System.out.printf( "[%s]%n", spaces( 10 ) );
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Android Studio suddenly cannot resolve symbols
...e imports and AS seems to be telling me it can't find android.support.v4 all of a sudden (offering me the option to remove the unused imports). ( android.support.v7 seems to be fine though).
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Can a program depend on a library during compilation but not runtime?
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A compile-time dependency is generally required at runtime. In maven, a compile scoped dependency will be added to the classpath on runtime (e.g. in wars they will be copied to WEB-INF/lib).
It is not, however, strictly required; for instance, we may compile...
How to use concerns in Rails 4
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So I found it out by myself. It is actually a pretty simple but powerful concept. It has to do with code reuse as in the example below. Basically, the idea is to extract common and / or context specific chunks of code in order to clean up the models and avoid them...
Visual Studio setup problem - 'A problem has been encountered while loading the setup components. Ca
...le loading the setup components. Canceling setup.' whenever I try to uninstall, reinstall or repair Visual Studio 2008 (team system version). If I can't resolve this issue I have no choice but to completely wipe my computer and start again which will take all day long! I've recently received very st...
Verify object attribute value with mockito
I have a method call which I want to mock with mockito. To start with I have created and injected an instance of an object on which the method will be called. My aim is to verify one of the object in method call.
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How to read the value of a private field from a different class in Java?
...hrown are either SecurityExceptions (if the JVM's SecurityManager will not allow you to change a field's accessibility), or IllegalArgumentExceptions, if you try and access the field on an object not of the field's class's type:
f.get("BOB"); //will throw IllegalArgumentException, as String is of t...
Iterator Loop vs index loop [duplicate]
... including continue, break, return
}
Advantages: more generic, works for all containers (even the new unordered associative containers, can also use different strides (e.g. std::advance(it, 2));
Disadvantages: need extra work to get the index of the current element (could be O(N) for list or forw...
How to create an array containing 1…N
...want an array of numbers 1..n that you can later loop through.
If this is all you need, can you do this instead?
var foo = new Array(45); // create an empty array with length 45
then when you want to use it... (un-optimized, just for example)
for(var i = 0; i < foo.length; i++){
document.w...
How can I make a weak protocol reference in 'pure' Swift (without @objc)
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My problem with this solutions is that calling the delegate causes a crash - EXC_BAD_ACCESS (as noted by others elsewhere). This seems to be bug. The only solution I have found is to use @objc and eliminate all Swift data types from the protocol.
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