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jQuery post() with serialize and extra data
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You can use serializeArray [docs] and add the additional data:
var data = $('#myForm').serializeArray();
data.push({name: 'wordlist', value: wordlist});
$.post("page.php", data);
...
Shuffle two list at once with same order
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I get a easy way to do this
import numpy as np
a = np.array([0,1,2,3,4])
b = np.array([5,6,7,8,9])
indices = np.arange(a.shape[0])
np.random.shuffle(indices)
a = a[indices]
b = b[indices]
# a, array([3, 4, 1, 2, 0])
# b, array([8, 9, 6, 7, 5])
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Why is there no String.Empty in Java?
...e a pain to write and to read :
for(int i=Constants.ZERO; ...) {
if(myArray.length > Constants.ONE) {
System.out.println("More than one element");
}
}
Etc.
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const char * const versus const char *?
...t!
const char* const* (*foo[8])()
^^^
foo is an array of 8...
Hit parenthesis so can't go right anymore, go left
const char* const* (*foo[8])()
^
foo is an array of 8 pointer to...
Finished inside parenthesis, can now go right
const char* const* (*f...
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...9%，服务中断时间：5.256分钟/年
当一个系统有大量用户使用之后，对系统可用性有较高要求，互联网服务通常会把可用性目标定在99.99%及以上，但极少能达到99.999%的。Tim有一个服务由于功能简单且稳定，较少需要变更代码，...
Is there a concise way to iterate over a stream with indices in Java 8?
...ik"};
AtomicInteger index = new AtomicInteger();
List<String> list = Arrays.stream(names)
.filter(n -> n.length() <= index.incrementAndGet())
.collect(Collectors.toList());
Note that using the latter method on a parallel stream could ...
Convert array of strings to List
I've seen examples of this done using .ToList() on array types, this seems to be available only in .Net 3.5+ . I'm working with .NET Framework 2.0 on an ASP.NET project that can't be upgraded at this time, so I was wondering: is there another solution? One that is more elegant than looping throug...
A method to reverse effect of java String.split()? [duplicate]
I am looking for a method to combine an array of strings into a delimited
String. An opposite to split().
16 Answers
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Big O, how do you calculate/approximate it?
... // 4
}
This function returns the sum of all the elements of the array, and we want to create a formula to count the computational complexity of that function:
Number_Of_Steps = f(N)
So we have f(N), a function to count the number of computational steps. The input of the function is the...
count vs length vs size in a collection
... particularly true for collections that are intended to be contingous like arrays or strings.
But no one who was responsible for the naming conventions used by the Java, BCL/.Net, or C/C++ standard frameworks/libraries bothered to ask me, so you're all stuck with whatever they came up with.
If onl...