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how does multiplication differ for NumPy Matrix vs Array classes?
...7, 214, 393]])
but this operations fails if these two NumPy matrices are converted to arrays:
>>> a1 = NP.array(a1)
>>> a2t = NP.array(a2t)
>>> a1 * a2t
Traceback (most recent call last):
File "<pyshell#277>", line 1, in <module>
a1 * a2t
ValueErro...
Static Indexers?
...+1 For correct use of "begging the question" :) Plus I have the same complaint.
– RedFilter
Dec 17 '14 at 19:04
14
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JAVA线程池管理及分布式HADOOP调度框架搭建 - 人工智能(AI) - 清泛IT社区，...
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public static void main(String[] args) throws InterruptedException {
Vector list = new Vector(100);
for (int i = 0; i < 100; i++) {
...
Differences between “BEGIN RSA PRIVATE KEY” and “BEGIN PRIVATE KEY”
...gorithms can be used.. But some software (mysql) can use only PKCS#1 keys. Converting from PKCS#8 to PKCS#1 can be done with openssl rsa -in key.pem -out key.pem. Converting the other way can be done with openssl pkey -in key.pem -out key.pem.
– Paul Tobias
Sep...
Number of days between two NSDates [duplicate]
...w could I determine the number of days between two NSDate values (taking into consideration time as well)?
16 Answers
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Getting the name of the currently executing method
...quired to be able to provide a stacktrace, but that a lot of work has gone into making HotSpot very reliable. You need to know, though, in case you want your code to not rely on the behavior of a specific JVM.
– Thorbjørn Ravn Andersen
Apr 15 '13 at 8:53
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How does Facebook disable the browser's integrated Developer Tools?
...e object.
//Since this is already a wrapped object it would be converted if we directly return it. Hence,
//`return result` would actually replicate the very normal behaviour as the result is converted.
//to output what's actually in the remote object, we have to st...
Java HashMap performance optimization / alternative
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As many people pointed out the hashCode() method was to blame. It was only generating around 20,000 codes for 26 million distinct objects. That is an average of 1,300 objects per hash bucket = very very bad. However if I turn the two arrays i...
What is the difference between IEqualityComparer and IEquatable?
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IEqualityComparer<T> is an interface for an object that performs the comparison on two objects of the type T.
IEquatable<T> is for an object of type T so that it can compare itself to another of the same type.
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How do I make an http request using cookies on Android?
...);
HttpEntity entity = response.getEntity();
System.out.println("Login form get: " + response.getStatusLine());
if (entity != null) {
entity.consumeContent();
}
System.out.println("Initial set of cookies:");
List<Cookie> cookies = ht...