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Is there a method to generate a UUID with go language
...he values in the slice though.
If you are on linux, you can alternatively call /usr/bin/uuidgen.
package main
import (
"fmt"
"log"
"os/exec"
)
func main() {
out, err := exec.Command("uuidgen").Output()
if err != nil {
log.Fatal(err)
}
fmt.Printf("%s", out)
}
...
Create unique constraint with null columns
...nt to allow users to favorite a recipe, or create sub-folders of favorites called menus.
– Mike Christensen
Nov 27 '11 at 23:32
1
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How to start a background process in Python?
...nt your process to start in the background you can either use system() and call it in the same way your shell script did, or you can spawn it:
import os
os.spawnl(os.P_DETACH, 'some_long_running_command')
(or, alternatively, you may try the less portable os.P_NOWAIT flag).
See the documentation ...
How to sum all column values in multi-dimensional array?
... 'ngangla' => 1,
'langthel' => 3
),
);
$sumResult = call_user_func_array('array_map', array_merge(['sum'], $rArray));
function sum()
{
return array_sum(func_get_args());
}
share
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How to stop Gradle task execution in Android Studio?
...
you can call ./gradlew --stop in a Terminal and it will kill all gradle processes
share
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improve this answer
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Java Class that implements Map and keeps insertion order?
...use, as per javadocs, this only gives ordered values (through the values() call). Is there a way to get ordered Map.Entry instances?
– Cory Kendall
Feb 5 '12 at 6:52
1
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How to find a text inside SQL Server procedures / triggers?
I have a linkedserver that will change. Some procedures call the linked server like this: [10.10.100.50].dbo.SPROCEDURE_EXAMPLE . We have triggers also doing this kind of work. We need to find all places that uses [10.10.100.50] to change it.
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How can I overwrite a getter method in an ActiveRecord model?
...o overwrite a getter method for an ActiveRecord model. I have an attribute called name in the model Category , and I'd like to be able to do something like this:
...
What does send() do in Ruby?
...l some method reacts (because its name matches the first argument).
Practically speaking, those lines are equivalent:
1.send '+', 2
1.+(2)
1 + 2
Note that send bypasses visibility checks, so that you can call private methods, too (useful for unit testing).
If there is really no variable befor...
Clear form fields with jQuery
...#form selector). And yes, one id should be used only once,this is why they call it "id", because it identifies one element unequivocally.
– Sk8erPeter
Aug 1 '16 at 9:14
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