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Multiple commands on same line

...ndful of commands that don't work with |! – too much php Jul 14 '10 at 22:53 33 When you find you...
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Is BCrypt a good hashing algorithm to use in C#? Where can I find it? [closed]

...hat cannot be reverted to the original string. Symmetric Encryption - (Usually just referred to as 'encryption') - The act of taking a string and producing a sequence of characters that can be decrypted to the original string through the use of the same encryption key that encrypted it. Rainbow T...
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Is there any method to get the URL without query string?

I have a URL like http://localhost/dms/mduserSecurity/UIL/index.php?menu=true&submenu=true&pcode=1235 . 14 Answers...
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When to use Spring Integration vs. Camel?

... We choose Camel over Spring-Integration because the fluent API is really nice. We actually use it in Spring projects and use Spring to configure part of it. The programming API's are clear and there is a large set of sensible components. We did a small scale shootout and basically at that t...
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PostgreSQL: Difference between text and varchar (character varying)

... There is no difference, under the hood it's all varlena (variable length array). Check this article from Depesz: http://www.depesz.com/index.php/2010/03/02/charx-vs-varcharx-vs-varchar-vs-text/ A couple of highlights: To sum it all up: char(n) – takes t...
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ANTLR: Is there a simple example?

...r, and evaluator using ANTLR4. You first create a grammar. Below is a small grammar that you can use to evaluate expressions that are built using the 4 basic math operators: +, -, * and /. You can also group expressions using parenthesis. Note that this grammar is just a very basic one: it does ...
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What is eager loading?

...hing when asked. Classic example is when you multiply two matrices. You do all the calculations. That's eager loading; Lazy loading: you only do a calculation when required. In the previous example, you don't do any calculations until you access an element of the result matrix; and Over-eager loadin...
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How do I print out the contents of an object in Rails for easy debugging?

... I generally first try .inspect, if that doesn't give me what I want, I'll switch to .to_yaml. class User attr_accessor :name, :age end user = User.new user.name = "John Smith" user.age = 30 puts user.inspect #=> #<User:0x...
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How to use npm with node.exe?

... The current windows installer from nodejs.org as of v0.6.11 (2012-02-20) will install NPM along with NodeJS. NOTES: At this point, the 64-bit version is your best bet The install path for 32-bit node is "Program Files (x86)" in 64-bit windows. Y...
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Should it be “Arrange-Assert-Act-Assert”?

...ertion that precedes Act. This way I know that the passing assertion is really passing as the result of the action. 14 A...