大约有 13,913 项符合查询结果（耗时：0.0225秒） [XML]
How to replace an item in an array with Javascript?
...
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, ...
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
...
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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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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SecurityError: Blocked a frame with origin from accessing a cross-origin frame
...ying to access the elements within it using Javascript, but when I try to execute my code, I get the following error:
8 Ans...
What's the hardest or most misunderstood aspect of LINQ? [closed]
Background: Over the next month, I'll be giving three talks about or at least including LINQ in the context of C# . I'd like to know which topics are worth giving a fair amount of attention to, based on what people may find hard to understand, or what they may have a mistaken impression of. I won...
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.
...
In PHP what does it mean by a function being binary-safe?
...ry data (i.e. strings containing non-ASCII bytes and/or null bytes).
For example, a non-binary-safe function might be based on a C function which expects null-terminated strings, so if the string contains a null character, the function would ignore anything after it.
This is relevant because PHP d...