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iterating over and removing from a map [duplicate]
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As of Java 8 you could do this as follows:
map.entrySet().removeIf(e -> <boolean expression>);
Oracle Docs: entrySet()
The set is backed by the map, so changes to the map are reflected in the set, and vice-versa
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Rails: How to reference images in CSS within Rails 4
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Sprockets together with Sass has some nifty helpers you can use to get the job done. Sprockets will only process these helpers if your stylesheet file extensions are either .css.scss or .css.sass.
Image specific helper:
background-image: image-url("logo.png")
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Efficient method to generate UUID String in JAVA (UUID.randomUUID().toString() without the dashes)
... to be removed from HTTP request as you can see in URL of this thread.
But if you want to prepare well-formed URL without dependency on data you should use URLEncoder.encode( String data, String encoding ) instead of changing standard form of you data.
For UUID string representation dashes is normal...
Command substitution: backticks or dollar sign / paren enclosed? [duplicate]
...n turn, I'd think that that means it's more likely to work correctly with different shells and with different *nix implementations.
Another reason given for preferring the first (POSIX) form is that it's easier to read, especially when command substitutions are nested. Plus, with the backtick form,...
When would you use the Builder Pattern? [closed]
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The key difference between a builder and factory IMHO, is that a builder is useful when you need to do lots of things to build an object. For example imagine a DOM. You have to create plenty of nodes and attributes to get your final o...
How do I close a connection early?
...since [PHP] 4.1, when the behaviour of register_shutdown_function() was modified so that it would not automatically close the users connection.
sts at mail dot xubion dot hu Posted the original solution:
<?php
header("Connection: close");
ob_start();
phpinfo();
$size = ob_get_length();
head...
Graph Algorithm To Find All Connections Between Two Arbitrary Vertices
...nly uses as much memory as it needs to).
I noticed that the graph you specified above has only one edge that is directional (B,E). Was this a typo or is it really a directed graph? This solution works regardless. Sorry I was unable to do it in C, I'm a bit weak in that area. I expect that you will ...
How do I compile a Visual Studio project from the command-line?
... the Visual Studio build environment and run your script from there, or modify the paths in Python (with os.putenv).
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how to display full stored procedure code?
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This is pretty printed, for me. Remember if you're doing this interactively in psql and lines get wrapped and the pager kicks in, then you can toggle wrapped lines off by typing '-S' (same as 'less' command line arg), then use arrow keys to scroll around.
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How to create a new language for use in Visual Studio
...s homepage, which I'll copy for easy reference:
Nice article about "classification" (syntax highligting) in VS 2010: http://dotneteers.net/blogs/divedeeper/archive/2008/11/04/LearnVSXNowPart38.aspx
Examples for VSX add-ins: http://blogs.msdn.com/vsxteam/archive/2009/06/17/new-editor-samples-for-vi...