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How do I properly compare strings in C?
..."equal") even if one string is only prefix of the other one (for example, "foo" and "foobar").
– lukasrozs
Oct 6 '17 at 14:16
1
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Mapping a function on the values of a map in Clojure
...it's idiomatic. Here's a version using list comprehension anyways.
(defn foo [m f]
(into {} (for [[k v] m] [k (f v)])))
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Android: How to enable/disable option menu item on button click?
... // You can also use something like:
// menu.findItem(R.id.example_foobar).setEnabled(false);
}
return true;
}
On Android 3.0 and higher, the options menu is considered to always be open when menu items are presented in the action bar. When an event occurs and you want to perform a...
MPICH vs OpenMPI
Can someone elaborate the differences between the OpenMPI and MPICH implementations of MPI ?
Which of the two is a better implementation ?
...
Triggering HTML5 Form Validation
...whatever. The following code works for me:
<form>
<input name="foo" required>
<button id="submit">Submit</button>
</form>
<script>
$('#submit').click( function(e){
var isValid = true;
$('form input').map(function() {
isValid &= this.validity['...
What does (x ^ 0x1) != 0 mean?
...4 ^ 0x1 is true, but 4==0 is obviously false.
– Fred Foo
Dec 19 '13 at 10:54
4
"condition seems t...
How to create a zip file in Java
... a way to make this work if the extension is not .zip? I need to write a .foo file, which is formatted exactly like a zip file, but with a different extension. I know I could make a .zip file and rename it, but just creating it with the right name would be simpler.
– Troy Dan...
C++ performance vs. Java/C#
... C++ is still usually faster than java, mainly because of lighter memory footprint that result in better cache performance.
But to use all of C++ capability you, the developer must work hard. You can achieve superior results, but you must use your brain for that. C++ is a language that decided to...
How to check if element is visible after scrolling?
...n element scrolls into view or otherwise becomes visible to the user.
$('#foo').appear(function() {
$(this).text('Hello world');
});
This plugin can be used to prevent unnecessary requests for content that's hidden or outside the viewable area.
...
Java 8 Lambda function that throws exception?
...on<T, R> {
R apply(T t) throws IOException;
}
and use it:
void foo (CheckedFunction f) { ... }
Otherwise, wrap Integer myMethod(String s) in a method that doesn't declare a checked exception:
public Integer myWrappedMethod(String s) {
try {
return myMethod(s);
}
cat...