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How to stop a goroutine
... the chan you have already is bi-directional, you can use just the one...
If your goroutine exists solely to process the items coming out of the chan, you can make use of the "close" builtin and the special receive form for channels.
That is, once you're done sending items on the chan, you close i...
What's the false operator in C# good for?
...nd || operators.
The && and || operators can't be overridden, but if you override |, &, true and false in exactly the right way the compiler will call | and & when you write || and &&.
For example, look at this code (from http://ayende.com/blog/1574/nhibernate-criteria-api-...
Notification passes old Intent Extras
i am creating a notification inside a BroadcastReceiver via this code:
6 Answers
6
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How to get just one file from another branch
...ource experiment -- app.js
By default, only the working tree is restored.
If you want to update the index as well (meaning restore the file content, and add it to the index in one command):
git restore --source experiment --staged --worktree -- app.js
# shorter:
git restore -s experiment -SW -- app...
Why should I care that Java doesn't have reified generics?
...the candidate wished to see added to the Java language. It's commonly-identified as a pain that Java doesn't have reified generics but, when pushed, the candidate couldn't actually tell me the sort of things that he could have achieved were they there.
...
Command not found error in Bash variable assignment
...and foo with STR set to the empty string in its environment.
I'm not sure if this helps to clarify or if it is mere obfuscation, but note that:
the first command is exactly equivalent to: STR "=" "foo",
the second is the same as STR "=foo",
and the last is equivalent to STR="" foo.
The relevant...
Can't execute jar- file: “no main manifest attribute”
...ond, to make a jar executable... you need to jar a file called META-INF/MANIFEST.MF
the file itself should have (at least) this one liner:
Main-Class: com.mypackage.MyClass
Where com.mypackage.MyClass is the class holding the public static void main(String[] args) entry point.
Note that there are s...
Why does my Spring Boot App always shutdown immediately after starting?
...an embedded container (e.g. Tomcat) on the classpath. Adding one fixed it. If you are using Maven, then add this in pom.xml:
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
For Grad...
Responding with a JSON object in Node.js (converting object/array to JSON string)
...ole.log("response.json sets the appropriate header and performs JSON.stringify");
response.json({
anObject: { item1: "item1val", item2: "item2val" },
anArray: ["item1", "item2"],
another: "item"
});
}
Alternatively:
function random(response) {
console.log("Request handler ran...
Is it possible to send an array with the Postman Chrome extension?
...
You need to suffix your variable name with [] like this:
If that doesn't work, try not putting indexes in brackets:
my_array[] value1
my_array[] value2
Note:
If you are using the postman packaged app, you can send an array by selecting raw / json (instead of form-data). A...