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Is there a method to generate a UUID with go language
... (
"fmt"
"log"
"os/exec"
)
func main() {
out, err := exec.Command("uuidgen").Output()
if err != nil {
log.Fatal(err)
}
fmt.Printf("%s", out)
}
Which yields:
$ go run uuid.go
dc9076e9-2fda-4019-bd2c-900a8284b9c4
...
JavaScript function order: why does it matter?
JSHint complains when my JavaScript calls a function that is defined further down the page than the call to it. However, my page is for a game, and no functions are called until the whole thing has downloaded. So why does the order functions appear in my code matter?
...
git --git-dir not working as expected
...hile at the same time giving defaults that make the most sense VS having a command not work at all.
– Nay
Jan 18 '12 at 6:34
3
...
What does the exclamation mark mean in a Haskell declaration?
...lp wondering however whether the Haskell terminology is making things more complicated for people to understand with terms such as "weak normal head form", "strict" and so forth. If I understand you correctly, it sounds like the ! operator simply means to store the evaluated value of an expression r...
Retina displays, high-res background images
...sions (prior to Firefox 16).
- Source
As @LiamNewmarch mentioned in the comments below, you can include the background-size in your shorthand background declaration like so:
.box{
background:url('images/box-bg@2x.png') no-repeat top left / 200px 200px;
}
However, I personally would not ad...
Can I find out the return value before returning while debugging in Intellij?
..."Watch method return values" like stated above, but I haven't been able to completely test this as it takes too long to compute. Beware, this does dramatically decrease the performance of the debugger and it will take longer to debug.
Also you can do the following manually.
Setup the breakpoint ...
How to add a jar in External Libraries in android studio
...file and at end click on Add as library. This will take care of adding compile files('libs/library_name.jar') in build.gradle [You don't have to manually enter this in your build file].
Now you can start using the library in your project.
...
What is “thread local storage” in Python, and why do I need it?
...ve.
If you want actual thread-local storage, that's where threading.local comes in. Attributes of threading.local are not shared between threads; each thread sees only the attributes it itself placed in there. If you're curious about its implementation, the source is in _threading_local.py in the s...
Pass correct “this” context to setTimeout callback?
...
EDIT: In summary, back in 2010 when this question was asked the most common way to solve this problem was to save a reference to the context where the setTimeout function call is made, because setTimeout executes the function with this pointing to the global object:
var that = this;
if (this....