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Looping over arrays, printing both index and value
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The use of [@] and double quotes means it's not a "space separated list of words". You get the list of actual array keys, even if the individual keys contain whitespace.
– glenn jackman
Aug 21 '16 at 1...
Big-O for Eight Year Olds? [duplicate]
I'm asking more about what this means to my code. I understand the concepts mathematically, I just have a hard time wrapping my head around what they mean conceptually. For example, if one were to perform an O(1) operation on a data structure, I understand that the number of operations it has to p...
How does this print “hello world”?
...th this codification scheme you can have all 26 (one case) english letters and 6 symbols (being space among them).
Algorithm description
The >>= 5 in the for-loop jumps from group to group, then the 5-bits group gets isolated ANDing the number with the mask 31₁₀ = 11111₂ in the sentenc...
How do you create a toggle button?
...ml using css. I want it so that when you click on it , it stays pushed in and than when you click it on it again it pops out.
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Running JAR file on Windows
...amed helloworld.jar .
In order to run it, I'm executing the following command in a command-line window:
25 Answers
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Reading a List from properties file and load with spring annotation @Value
...he same version you are using. Copied the Spring EL exactly as in the post and it works. What is different though is if I make an error in my EL I get a org.springframework.expression.spel.SpelEvaluationException exception and not javax.el.ELException. Is your objected created by Spring?
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Get the Highlighted/Selected text
...be gained by involving jQuery since you need nothing other than the window and document objects.
function getSelectionText() {
var text = "";
if (window.getSelection) {
text = window.getSelection().toString();
} else if (document.selection && document.selection.type != "...
Converting Secret Key into a String and Vice Versa
I am generating a key and need to store it in DB, so I convert it into a String, but to get back the key from the String. What are the possible ways of accomplishing this?
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Javascript regex returning true.. then false.. then true.. etc [duplicate]
...e for example 'betamax'. When I press 'Check Username' it passes the regex and sends the username to the server. The server behaves as expected and returns '2' to tell the javascript that they are submitting their own username.
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Xcode warning: “Multiple build commands for output file”
...der (using Finder). Assets replaced with those updated with the same names and dragging them within XCode flagging "add to target" options. It seems XCode goes out of synch duplicating those entries in Copy Bundle Resources
– brainondev
Nov 22 '12 at 12:14
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