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Linq code to select one item
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I don't think this is the intended behavior. This Select instruction returns (actually don't, but it selects for return) a collection of bool, one for each element of Items, the first of what is returned as item, that becomes simply a bool. Use the so...
See line breaks and carriage returns in editor
...acters according to what fileformat options has been detected, essentially converting all those internal $'s with appropriate characters. If the fileformat happened to be unix then it will simply write \n in place of its internal line-break.
The trick is to force Vim to read a dos encoded file as u...
Overriding the java equals() method - not working?
I ran into an interesting (and very frustrating) issue with the equals() method today which caused what I thought to be a well tested class to crash and cause a bug that took me a very long time to track down.
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What is the difference between the Facade and Adapter Pattern?
...been reading both definitions and they seem quite the same. Could anyone point out what are their differences?
16 Answers
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Evaluate expression given as a string
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You can use the parse() function to convert the characters into an expression. You need to specify that the input is text, because parse expects a file by default:
eval(parse(text="5+5"))
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How to display loading message when an iFrame is loading?
... string with anything that is url-compliant (special characters need to be converted to percent notation)
Example on fiddle
Pros:
No extra HTML-elements
No js
Text can easily (...) be adjusted without the need of an external program
It's SVG, so you can easily put any SVG you want in there.
C...
Named placeholders in string formatting
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I found it disappointing that the library doesn't throw if keys are not found, however, if you use the default syntax (${arg}) instead of the custom one above (%(arg)) then the regex will not compile, which is the desired effect.
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Media Player called in state 0, error (-38,0)
I am currently trying to design a simple app that streams an internet radio station. I have the URL for the station and am setting up the Media Player like
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How do you get the length of a list in the JSF expression language?
...a function to your Bean that returns the length:
In class MyBean:
public int getSomelistLength() { return this.somelist.length; }
In your JSF page:
#{MyBean.somelistLength}
Two: If you're using Facelets (Oh, God, why aren't you using Facelets!), you can add the fn namespace and use the length f...
Looking for a clear definition of what a “tokenizer”, “parser” and...
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A tokenizer breaks a stream of text into tokens, usually by looking for whitespace (tabs, spaces, new lines).
A lexer is basically a tokenizer, but it usually attaches extra context to the tokens -- this token is a number, that token is a string literal, this ...