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Ruby: How to post a file via HTTP as multipart/form-data?
...ke an HMTL form posted from a browser. Specifically, post some text fields and a file field.
12 Answers
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Timeout a command in bash without unnecessary delay
This answer to Command line command to auto-kill a command after a certain amount of time
23 Answers
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How can I get the MAC and the IP address of a connected client in PHP?
I need to know the MAC and the IP address of the connect clients, how can I do this in PHP?
16 Answers
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Run PHP Task Asynchronously
I work on a somewhat large web application, and the backend is mostly in PHP. There are several places in the code where I need to complete some task, but I don't want to make the user wait for the result. For example, when creating a new account, I need to send them a welcome email. But when they h...
Fastest way(s) to move the cursor on a terminal command line?
What is the best way to move around on a given very long command line in the terminal?
14 Answers
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Mono - 跨平台 .NET运行环境 - 更多技术 - 清泛网 - 专注C/C++及内核技术
... allows .NET code to interoperate with Apple frameworks such as foundation and appkit. It makes it possible for managed code to call native Objective-C methods, native methods to call managed code, and new Objective-C classes to be defined in managed code. Exceptions are properly marshaled in both d...
Can an Android Toast be longer than Toast.LENGTH_LONG?
...
The values of LENGTH_SHORT and LENGTH_LONG are 0 and 1. This means they are treated as flags rather than actual durations so I don't think it will be possible to set the duration to anything other than these values.
If you want to display a message t...
How to check if Location Services are enabled?
I'm developing an app on Android OS. I don't know how to check if Location Services are enabled or not.
22 Answers
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How to check if a process id (PID) exists
...will have a race condition.
If you want to ignore the text output of kill and do something based on the exit code, you can
if ! kill $pid > /dev/null 2>&1; then
echo "Could not send SIGTERM to process $pid" >&2
fi
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JRE 1.7 - java version - returns: java/lang/NoClassDefFoundError: java/lang/Object
...nstallation.
Possibility 1
NOTE: This scenario only applies to Java 8 and prior. Beginning with Java 9, the JRE is structured differently. rt.jar and friends no longer exist, and Pack200 is no longer used.
The Java standard library is contained in various JARs, such as rt.jar, deploy.jar, jss...