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Is it fine to have foreign key as primary key?
...n to this are tables with a one-to-one relationship, where the foreign key and primary key of the linked table are one and the same.
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Generating a UUID in Postgres for Insert statement?
My question is rather simple. I'm aware of the concept of a UUID and I want to generate one to refer to each 'item' from a 'store' in my DB with. Seems reasonable right?
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Why is argc not a constant?
...this case, history is a factor. C defined these inputs as "not constant", and compatibility with (a good portion of) existing C code was an early goal of C++.
Some UNIX APIs, such as getopt, actually do manipulate argv[], so it can't be made const for that reason also.
(Aside: Interestingly, al...
How to set versionName in APK filename using gradle?
...g on the build variant selected.
Note that this solution works on both APK and App Bundles (.aab files).
See Also: How to change the proguard mapping file name in gradle for Android project
#Solution for Recent Gradle Plugin
android {
compileSdkVersion 22
buildToolsVersion "22.0.1"
defau...
How are msys, msys2, and msysgit related to each other?
.... (It's entirely possible I just don't know what to look for.) I do understand that MSYS is a minimal port of Linux tools to support development using MinGW, but I'm not clear on the relationship between the three of them or the teams that developed/maintain them.
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Remove empty elements from an array in Javascript
...that are falsy, which include an empty string "", 0, NaN, null, undefined, and false.
You can pass to the filter method, the Boolean constructor function, or return the same element in the filter criteria function, for example:
var filtered = array.filter(Boolean);
Or
var filtered = array.filte...
Moving average or running mean
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UPD: more efficient solutions have been proposed by Alleo and jasaarim.
You can use np.convolve for that:
np.convolve(x, np.ones((N,))/N, mode='valid')
Explanation
The running mean is a case of the mathematical operation of convolution. For the running mean, you slide a win...
With arrays, why is it the case that a[5] == 5[a]?
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The C standard defines the [] operator as follows:
a[b] == *(a + b)
Therefore a[5] will evaluate to:
*(a + 5)
and 5[a] will evaluate to:
*(5 + a)
a is a pointer to the first element of the array. a[5] is the value that's 5 el...
What does the term “porcelain” mean in Git?
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"Porcelain" is the material from which toilets are usually made (and sometimes other fixtures such as washbasins). This is distinct from "plumbing" (the actual pipes and drains), where the porcelain provides a more user-friendly interface to the plumbing.
Git uses this terminology in anal...
TypeScript and field initializers
...ways have come up. Please see the other answers below that have more votes and a better answer. I cannot remove this answer since it's marked as accepted.
Old answer
There is an issue on the TypeScript codeplex that describes this: Support for object initializers.
As stated, you can already do ...