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Why does the order of the loops affect performance when iterating over a 2D array?
... x[1][0] etc...
Meaning that you're hitting them all in order. Now look at the 1st version. You're doing:
x[0][0]
x[1][0]
x[2][0]
x[0][1]
...
Prevent users from submitting a form by hitting Enter
...be some issues with the users hitting enter (I don't know why) and accidentally submitting the survey (form) without clicking the submit button. Is there a way to prevent this?
...
How do I echo and send console output to a file in a bat script?
...ct any stream with prepending the number like 2> err.txt and it is also allowed to redirect multiple streams in one line.
dir 1> files.txt 2> err.txt 3> nothing.txt
In this example the "standard output" will go into files.txt, all errors will be in err.txt and the stream3 will go into...
Spring Boot: Unable to start EmbeddedWebApplicationContext due to missing EmbeddedServletContainerFa
I am totally new to Spring and started to do the official guides from this site:
https://spring.io/guides
27 Answers
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method overloading vs optional parameter in C# 4.0 [duplicate]
...the number of parameters.
For example say you want a method foo to be be called/used like so, foo(), foo(1), foo(1,2), foo(1,2, "hello"). With method overloading you would implement the solution like this,
///Base foo method
public void DoFoo(int a, long b, string c)
{
//Do something
}
/// F...
How can I get Maven to stop attempting to check for updates for artifacts from a certain group from
...o two libraries of shared code and maybe ten applications which use them. All of these items live in the namespace com.mycompany.* .
...
How can I sort arrays and data in PHP?
...ue is lower and a value higher than 0 if the first value is higher. That's all that's needed:
function cmp(array $a, array $b) {
if ($a['foo'] < $b['foo']) {
return -1;
} else if ($a['foo'] > $b['foo']) {
return 1;
} else {
return 0;
}
}
Often, you will...
Exclude .svn directories from grep [duplicate]
...n directories. Is it possible to recursively grep a directory, but exclude all results from .svn directories?
11 Answers
...
When to use the JavaScript MIME type application/javascript instead of text/javascript?
...sniffing on the script to determine type (I'm not sure if any browsers actually do this though);
b. browsers use other information—the including page's encoding and in some browsers the script charset attribute—to determine the charset. So any proxy that tried to transcode the resource would br...
Which browsers support ?
... first part works on browsers without support for <script async.. tags, allowing them to load async with a "hack" (although a pretty solid one), and also allows rendering the page without waiting for ga.js to be retrieved.
The second part only affects compatible browsers that understand the a...