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What __init__ and self do on Python?
...Python 2 compatibility. In Python 3 there is no need to explicitly inherit from object because it happens by default.
– Gabriel
Feb 14 '18 at 15:22
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How to add reference to a method parameter in javadoc?
Is there a way to add references to one or more of a method's parameters from the method documentation body?
Something like:
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Java 8 Stream and operation on arrays
I have just discovered the new Java 8 stream capabilities. Coming from Python, I was wondering if there was now a neat way to do operations on arrays like summing, multiplying two arrays in a "one line pythonic" way ?
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How does lombok work?
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Great to hear from the source (+1). I admit, my statement about running was misleading. I meant Lombok can only run on Sun VMs, but the resulting code is of course platform neutral.
– Sean Patrick Floyd
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Difference between validate(), revalidate() and invalidate() in Swing GUI
...ainer as invalid and performs layout of the container.
UPDATE:
Some code from Component.java
public void revalidate() {
revalidateSynchronously();
}
/**
* Revalidates the component synchronously.
*/
final void revalidateSynchronously() {
synchronized (getTreeLock()) {
invalidat...
How can I tell AngularJS to “refresh”
... why it works.
$apply() is used to execute an expression in AngularJS from outside of
the AngularJS framework. (For example from browser DOM events,
setTimeout, XHR or third party libraries). Because we are calling into
the AngularJS framework we need to perform proper scope life cycle of...
Extract substring using regexp in plain bash
I'm trying to extract the time from a string using bash, and I'm having a hard time figuring it out.
4 Answers
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How to use custom packages
...ea is that Go searches for imported paths under each directory it extracts from the GOPATH environment variable (they are called "workspaces"), but this search is (luckily) not recursive, so such paths are effectively "anchored" at their respective workspaces.
– kostix
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How do I break out of a loop in Perl?
..."){
last;
}
}
If you have nested loops, then last will exit from the innermost loop. Use labels in this case:
LBL_SCORE: {
for my $entry1 (@array1) {
for my $entry2 (@array2) {
if ($entry1 eq $entry2) { # Or any condition
last LBL_SCORE;
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How to specify mapping rule when names of properties differ
...mployeeDto>()
.ForMember(dest => dest.FullName, opt => opt.MapFrom(src => src.Name));
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