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What is Double Brace initialization in Java?
...initializer block. Seems like the old initializer block has been forgotten by developers and cause some confusion in this topic. Citation from Oracle docs:
Initializer blocks for instance variables look just like static initializer blocks, but without the static keyword:
{
// whatever code is ...
Password hint font in Android
...le and instead, in set it in java:
EditText password = (EditText) findViewById(R.id.password_text);
password.setTransformationMethod(new PasswordTransformationMethod());
With this approach, the hint font looks good but as you're typing in that edit field, you don't see each character in plain tex...
Using Linq to get the last N elements of a collection?
...ng two passes, consider a one-pass algorithm like Lasse V. Karlsen or Mark Byers describe. Both of these approaches use a temporary buffer to hold items while enumerating, which are yielded once the end of the collection is found.
...
Using R to list all files with a specified extension
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...
Find and copy files
...
@Astrid check this
– shellbye
Jan 17 '17 at 8:44
find -iname '*.mp3' -mtime -1 -exec cp {} ...
Is there a more elegant way of adding an item to a Dictionary safely?
... imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454...
__getattr__ on a module
...e ago, Guido declared that all special method lookups on
new-style classes bypass __getattr__ and __getattribute__. Dunder methods had previously worked on modules - you could, for example, use a module as a context manager simply by defining __enter__ and __exit__, before those tricks broke.
Recen...
How to parse a CSV file in Bash?
...ted fields with internal commas, among other issues that Bash can't handle by itself. Examples of such tools are cvstool and csvkit.
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How to automatically navigate to the current class in Intellij Idea Project Tool Window?
... on Gnome, because Gnome maps Atl-F1 to show the Gnome Activities Overview by default (which is redundant if you have a Windows/Cmd key on your keyboard). Just go into Settings > Keyboard > "Show the activities overview", click and then hit Backspace to clear the keyboard mapping. Then it w...
Perl build, unit testing, code coverage: A complete working example
...VERSION = '0.1';
sub hello {
return "Hello, Perl Build World!";
}
sub bye {
return "Goodbye, cruel world!";
}
sub repeat {
return 1;
}
sub argumentTest {
my ($booleanArg) = @_;
if (!defined($booleanArg)) {
return "null";
}
elsif ($booleanArg eq "false") {
...