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Get array of object's keys
... object is created entirely under our purview as opposed to being imported from somewhere else
– Dexygen
Jan 21 '16 at 17:35
...
Easily measure elapsed time
..., I use a free function, outside the class. This allows for measuring time from the construction of an object, to the finish of an asynch call.
– utnapistim
May 7 '14 at 8:19
8
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When writing a directive in AngularJS, how do I decide if I need no new scope, a new child scope, or
...ributes."
A good best practice is to exclude as much template-based stuff from the directive link and controller functions as possible. This provides another "API-like" configuration point: the user of the directive can simply replace the template! The functionality all stayed the same, and its int...
Using PowerShell to write a file in UTF-8 without the BOM
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@xdhmoore WriteAllLines gets the current directory from [System.Environment]::CurrentDirectory. If you open PowerShell and then change your current directory (using cd or Set-Location), then [System.Environment]::CurrentDirectory will not be changed and the file will end up b...
How do you uninstall all dependencies listed in package.json (NPM)?
...ld CXX(target) Release/obj.target/addon/src/heapdump.o In file included from ../src/heapdump.cc:17: ../src/compat-inl.h:300:19: error: no member named 'GetCpuProfiler' in 'v8::Isolate' return isolate->GetCpuProfiler()->StartProfiling(title, record_samples);"
– vikram...
Abstract functions in Swift Language
...se class is responsible for creating and storing properties that originate from the sub class.
– David James
Nov 19 '15 at 16:27
2
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What is the argument for printf that formats a long?
...intf("%llu", n);
For all other combinations, I believe you use the table from the printf manual, taking the row, then column label for whatever type you're trying to print (as I do with printf("%llu", n) above).
share
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How can I create an object based on an interface file definition in TypeScript?
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Thanks. I was hoping to get away from having to define all of the modal contents initially. Would it be easier if instead of an interface I defined Modal as a class with properties and then used new and a constructor to set up all of the initial values?
...
Stop setInterval call in JavaScript
...in clearInterval() to stop the timer.
Here is an example of timer starting from 30 and stops when it becomes 0.
let time = 30;
const timeValue = setInterval((interval) => {
time = this.time - 1;
if (time <= 0) {
clearInterval(timeValue);
}
}, 1000);
...
Use cases for the 'setdefault' dict method
...exist already
group.append( value )
# even simpler with defaultdict
from collections import defaultdict
new = defaultdict(list)
for (key, value) in data:
new[key].append( value ) # all keys have a default already
Sometimes you want to make sure that specific keys exist after creating a ...