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How to replace an item in an array with Javascript?
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var index = items.indexOf(3452);
if (index !== -1) {
items[index] = 1010;
}
Also it is recommend you not use the constructor method to initialize your arrays. Instead, use the literal syntax:
var items = [523, 3452, 334, 31, ...
Read and write a String from text file
I need to read and write data to/from a text file, but I haven't been able to figure out how.
21 Answers
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Linq: What is the difference between Select and Where
...e in Linq. What should every developer know about these two methods? For example: when to use one over the other, any advantages of using one over the other, etc.
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What's the Android ADB shell “dumpsys” tool and what are its benefits?
I'm looking for the full list of ADB shell dumpsys commands with a full explanation of all of the commands.
4 Answers
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Two sets of parentheses after function call
...ther function and then that returned function is called immediately. For Example:
function add(x){
return function(y){
return x + y;
};
}
var addTwo = add(2);
addTwo(4) === 6; // true
add(3)(4) === 7; // true
sh...
Speed up the loop operation in R
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Biggest problem and root of ineffectiveness is indexing data.frame, I mean all this lines where you use temp[,].
Try to avoid this as much as possible. I took your function, change indexing and here version_A
dayloop2_A <- function(temp){
res <- numeric(nrow(temp))...
Split a List into smaller lists of N size
... on the first split because you are getting the range nSize to nSize? For example if nSize is 3 and my array is size 5 then the first index range returned is GetRange(3, 3)
– Matthew Pigram
Mar 22 '18 at 1:11
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Python set to list
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I just copied and pasted this exact code in IDLE; I get the error.
– user825286
Jul 26 '11 at 10:43
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How to kill all processes matching a name?
...rocess containing the word amarok. I can print out the commands I want to execute. But how do I actually make the shell execute them. ie.
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Debugging in Clojure? [closed]
... but REPL says user=> (use 'closure.contrib.trace) java.io.FileNotFoundException: Could not locate closure/contrib/trace__init.class or closure/contrib/trace.clj on classpath: (NO_SOURCE_FILE:0)
– LarsH
Sep 3 '10 at 20:49
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