大约有 5,600 项符合查询结果（耗时：0.0194秒） [XML]
At runtime, find all classes in a Java application that extend a base class
...so many people roll their own by having a file in a well known classpath location (i.e. /META-INF/services/myplugin.properties) and then using ClassLoader.getResources() to enumerate all files with this name from all jars. This allows each jar to export its own providers and you can instantiate them...
How to keep environment variables when using sudo
...
Here is the quote from the man page:
-E, --preserve-env
Indicates to the security policy that the user wishes to preserve their
existing environment variables. The security policy may return an error
if the user does not have permission to preserve the envir...
Ways to eliminate switch in code [closed]
...e "dog":
echo animal.bark();
break;
case "cat":
echo animal.meow();
break;
}
}
becomes this:
foreach (var animal in zoo) {
echo animal.speak();
}
share
...
Find all storage devices attached to a Linux machine [closed]
.../mnt type ext3 (rw)
And /proc/partitions says:
root@ip-10-126-247-82:~# cat /proc/partitions
major minor #blocks name
202 1 10485760 xvda1
202 2 356485632 xvda2
202 3 917504 xvda3
Side Note
How fdisk -l works is something I would love to know myself.
...
Uploading both data and files in one form using Ajax?
...uery identifier.
You can upload data and files with one form using ajax.
PHP + HTML
<?php
print_r($_POST);
print_r($_FILES);
?>
<form id="data" method="post" enctype="multipart/form-data">
<input type="text" name="first" value="Bob" />
<input type="text" name="middl...
How do I get the current date in JavaScript?
... moment as if it were a language. Mine here uses the same common format as PHP: date.
Quick Links
Date.format.min.js 5.08 KB
dateFormat.min.js 4.16 KB
Flavor 1 new Date().format(String)
My Personal Fav. I know the taboo but works great on the Date Object. Just be aware of any other mods yo...
How to change href of tag on button click through javascript
...Link").onclick = function() {
document.getElementById("abc").href="xyz.php";
return false;
};
</script>
share
|
improve this answer
|
follow
...
How do you compare two version Strings in Java?
...d doesn't add anything to the other answers.
– eddie_cat
Nov 4 '14 at 22:22
6
...
Get the current year in JavaScript
... "Good" is subjective. There is more than one way to skin a cat, and more than one way to solve coding problems. If the solution is simple and works, then why is this not "good" in your humble opinion?
– Jerusalem Programmer
Mar 15 '19 at 12:00
...
ERROR 2006 (HY000): MySQL server has gone away
...ation/options, and I wasn't willing to go down a programmatic solution via PHP or other.
– Richard Sitze
Dec 16 '12 at 21:15
160
...