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username I have a set of n vectors stored in a 3 xn matrix . I found out using an external product . When I time it with:znp.einsum %timeit v=np.einsum('i...,j...->ij...',z,z)
I got the result: The slowest run took 7.23 times longer than the fastest. This cou
username I have a set of n vectors stored in a 3 xn matrix . I found out using an external product . When I time it with:znp.einsum %timeit v=np.einsum('i...,j...->ij...',z,z)
I got the result: The slowest run took 7.23 times longer than the fastest. This cou
username I have a set of n vectors stored in a 3 xn matrix . I found out using an external product . When I time it with:znp.einsum %timeit v=np.einsum('i...,j...->ij...',z,z)
I got the result: The slowest run took 7.23 times longer than the fastest. This cou
username I have a set of n vectors stored in a 3 xn matrix . I found out using an external product . When I time it with:znp.einsum %timeit v=np.einsum('i...,j...->ij...',z,z)
I got the result: The slowest run took 7.23 times longer than the fastest. This cou
Immen I would like to know what this symbol | means when we use it {{ entity.date|date('d-m-Y')}
Can someone explain it for me? your common sense This is called a filter . It applies the filter to the variable or expression on the left. E.g {{ name|striptags
Immen I would like to know what this symbol | means when we use it {{ entity.date|date('d-m-Y')}
Can someone explain it for me? your common sense This is called a filter . It applies the filter to the variable or expression on the left. E.g {{ name|striptags
blue pigment This is the code I copied from the website: static SerialPort serialPort = new SerialPort("COM4");
What exactly "does that mean? vbo "It doesn't make any sense in Java. It's just a flagged error
Evan: I see the code below sometimes, and don't know what the expression is actually testing. public static void Something(string[] value)
{
if (value is { })
{
DoSomethingElse();
}
}
Daniel A. White: This is only in C# 8's empty property mode,
TigerHix： for (int i = 99; i --> 0;) {
System.out.println(i);
}
The code above works and has the exact same result for (int i = 99; i >= 0; i--) {
System.out.println(i);
}
What did the syntax "->" originally mean in Java? I can't seem to find an answ
TigerHix： for (int i = 99; i --> 0;) {
System.out.println(i);
}
The code above works and has the exact same result for (int i = 99; i >= 0; i--) {
System.out.println(i);
}
What did the syntax "->" originally mean in Java? I can't seem to find an answ
Vercryger： I'm trying to understand how Spring MVC works and I don't understand this part of code in Spring configuration: @Override
public void configureDefaultServletHandling(DefaultServletHandlerConfigurer configurer) {
configurer.enable();
}
It's all
itsafire： I read through the vuejs2 documentation and found this part: This is ES5 only and not adjustable, which is why Vue doesn't support IE8 and below. I think this means that the function cannot be monkey patched, but I'm not sure. So, what exactly is (no
Ritwik Bose： SerializableWhat do classes in Java mean ? Or in general... Oded: Serialization persists an object from memory into a series of bits, such as to disk. Deserialization is the opposite - read data from disk to hydrate/create objects. As far as your
MortiestMorty： Here is the code: function accum(s) {
return s.split('').map((x,index) => x.toUpperCase()+Array(index+1).join(x.toLowerCase())).join('-');
}
I want to know what is "=>". The function takes a string and adds a number of elements to the output
James Turner: I have to explain what the following code means What does the dollar exchange rate mean? user@Linux-003 ~ $
Pavlo Slavinskyi: For this particular case, the following code says: Someone with the username "user" is logged into the computer with t
Meruemu: Newbie learners of Linux. I created a python script that my lecturer came and used to run the file chmod 700 filename.pywhen I was going to use it ../filename.py./!$ What does it ./!$actually mean? I can't google it out. I'd also really appreciate a l
Zheng Rongxiu: public class NaiveAlien extends Alien
{
@Override
public void harvest(){}
}
I am trying to understand my friend's code, but there is no syntax @Override in the code. What does this do and why do we need encoding? thanks. EboMike ： Pro
JCm： In jquery, what does it thismean and when is it used? TJ Crowder： thisCode in JavaScript is very special and powerful. It could mean anything. I 've covered some of them here and here , but it's really worth finding a good tutorial on JavaScript and spend
ashokgelal： This is probably the dumbest question ever, but I think it's very confusing for a Java newbie. Can someone clarify what is constant ? Why is it Stringimmutable? What are the pros and cons of immutable objects? Why are mutable objects like StringBui
Patrick: I was directed to MDN's for..in page when it said "for..in iterates over an object's enumerable properties" . I then went to the " Enumerability and Ownership of Properties " page , which said "Enumerable properties are those properties that can be it
Martijn Courteaux: In this Java source code, I have the following line of code: if ((modifiers & ~KeyEvent.SHIFT_MASK) != 0) ....
What does the tilde ~mean? Richard: Tilde( ~) performs bitwise complement of numeric values in Java. See: Bitwise Complement ( ~)
Johanna: I have some questions about the usage and importance of synchronizedkeywords . synchronizedWhat is the meaning of keywords ? When should methods be used synchronized? What does it mean procedurally and logically? Stu Thompson: The synchronizedkeyword
Oh curl http://beyondgrep.com/ack-2.02-single-file > ~/bin/ack && chmod 0755 !#:3
!#:3What is the meaning from the ack installation guide ? jbr： In bash or zsh !means a history command (not a shebang line, i.e. #!, irrelevant to bash or zsh). !#Represents th
Cristiano Fontes: What is the meaning of *nix and how does it relate to Ruby? Just saw this in an interview question...I think it has something to do with UNIX distributions, but I'm not sure. Couldn't find it here or in Wikipedia, so I ask. What's the meaning
Jon: On many sites, I often see comments that the code is not pythonic, or that there are more pythonic ways to achieve the same goal. What does pythonic mean in this context? For example, why while i < someValue:
do_something(list[i])
i += 1
not python
Jake Wilson: Typically in ANT tasks you will see "**" used similar to the following: <copy todir="/something">
<fileset dir="/source">
<exclude name="**/*.sql"/>
</fileset>
</copy>
**What is the meaning in the name attribute ? I've never seen a wildca
341008： I frequently encounter the following warnings from gdb: warning: .dynamic section for XXX is not at the expected address where XXX is the name of a library. Recently, I got it for libgobject-2.0.so. My application uses GTK. Until yesterday, when I sync
Want to learn: I found this code as a duplicate in SO found here . But I don't understand what this line meansint mid = (low + high) >>> 1; private static int findDuplicate(int[] array) {
int low = 0;
int high = array.length - 1;
while
Alexein： I don't know what the question mark ( ?) stands for in Java , I'm making a small program, a Nim game. Was looking for a book, asked for help, and saw this statement: int pinsToTake = (min >= 2) ? 2 : 1;
I don't understand, what does this ?stand for ,