大约有 44,623 项符合查询结果（耗时：0.0530秒） [XML]
Remove a symlink to a directory
...ory. I want to get rid of that symlink, while keeping the directory behind it.
9 Answers
...
How can I prevent SQL injection in PHP?
If user input is inserted without modification into an SQL query, then the application becomes vulnerable to SQL injection , like in the following example:
...
How to convert string into float in JavaScript?
...f they're meant to be separate values, try this:
var values = "554,20".split(",")
var v1 = parseFloat(values[0])
var v2 = parseFloat(values[1])
If they're meant to be a single value (like in French, where one-half is written 0,5)
var value = parseFloat("554,20".replace(",", "."));
...
Random shuffling of an array
...
Using Collections to shuffle an array of primitive types is a bit of an overkill...
It is simple enough to implement the function yourself, using for example the Fisher–Yates shuffle:
import java.util.*;
import java.util.concurrent.ThreadLocalRandom;
class Test
{
...
Adding a new entry to the PATH variable in ZSH
...Here, add this line to .zshrc:
export PATH=/home/david/pear/bin:$PATH
EDIT: This does work, but ony's answer below is better, as it takes advantage of the structured interface ZSH provides for variables like $PATH. This approach is standard for bash, but as far as I know, there is no reason to us...
Android Reading from an Input stream efficiently
I am making an HTTP get request to a website for an android application I am making.
12 Answers
...
Upload artifacts to Nexus, without Maven
...uces a versioned build artifact, and I want to upload this to a Nexus repository. Because the project isn't Java, it doesn't use Maven for builds. And I'd rather not introduce Maven/POM files just to get files into Nexus.
...
Load and execution sequence of a web page?
...execution sequence of an ordinary web page. But now I need to know detail. It's hard to find answers from Google or SO, so I created this question.
...
How to use LocalBroadcastManager?
...
I'll answer this anyway. Just in case someone needs it.
ReceiverActivity.java
An activity that watches for notifications for the event named "custom-event-name".
@Override
public void onCreate(Bundle savedInstanceState) {
...
// Register to receive messages.
// We ...
Is there a way to ignore header lines in a UNIX sort?
...file which I'm trying to sort using the UNIX (Cygwin, in my case) sort utility.
12 Answers
...