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Can I multiply strings in Java to repeat sequences? [duplicate]

... of repetitions, and the "-" with the string (or char) you want repeated. All this does is create an empty string containing n number of 0x00 characters, and the built-in String#replace method does the rest. Here's a sample to copy and paste: public static String repeat(int count, String with) { ...
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Get all directories within directory nodejs

... Here's a shorter, syncronous version of this answer that can list all directories (hidden or not) in the current directory: const { lstatSync, readdirSync } = require('fs') const { join } = require('path') const isDirectory = source => lstatSync(source).isDirectory() const getDirectori...
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How to check for null in Twig?

...n false – daSn0wie Feb 13 '13 at 21:32 Also note that $var == 0 will return true if $var is null ...
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How do I sort a vector of pairs based on the second element of the pair?

...response to your edits to your question, here's some thoughts ... if you really wanna be creative and be able to reuse this concept a lot, just make a template: template <class T1, class T2, class Pred = std::less<T2> > struct sort_pair_second { bool operator()(const std::pair<T1...
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Undoing a git rebase

...uble check this, though as I haven't verified this recently. Per default, all reflogs are activated for non-bare repositories: [core] logAllRefUpdates = true share | improve this answer ...
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Disable output buffering

...stdout with some other stream like wrapper which does a flush after every call. class Unbuffered(object): def __init__(self, stream): self.stream = stream def write(self, data): self.stream.write(data) self.stream.flush() def writelines(self, datas): self.stream....
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Create a nonclustered non-unique index within the CREATE TABLE statement with SQL Server

...ne index create option: CREATE TABLE MyTable( a int NOT NULL ,b smallint NOT NULL ,c smallint NOT NULL ,d smallint NOT NULL ,e smallint NOT NULL -- This creates a primary key ,CONSTRAINT PK_MyTable PRIMARY KEY CLUSTERED (a) -- This creates a unique nonclustered ind...
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How to enable C++11/C++0x support in Eclipse CDT?

..., find the Preprocessor Include Path and go to the Providers Tab. Deselect all except CDT GCC Builtin Compiler Settings. Then untag Share settings entries … . Add the option -std=c++11 to the text box called Command to get compiler specs. Go to paths and symbols. Under Symbols, click restore defau...
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How to get the file extension in PHP? [duplicate]

... 32 Important Note: This will fail with paths like: /var/www/website.com/somefile (you're better off using pathinfo). – b...
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How do you build a Singleton in Dart?

... There's the weird syntax Singleton._internal(); that looks like a method call when it's really a constructor definition. There's the _internal name. And there's the nifty language design point that Dart lets you start out (dart out?) using an ordinary constructor and then, if needed, change it to a...