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Setting default value for TypeScript object passed as argument
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Actually, there appears to now be a simple way. The following code works in TypeScript 1.5:
function sayName({ first, last = 'Smith' }: {first: string; last?: string }): void {
const name = first + ' ' + last;
console.log(name);
}
sayName({ first...
How to convert CFStringRef to NSString?
... If you are using ARC, the new casting syntax for this case is now NSString *aNSString = (__bridge NSString *)aCFString
– MikeG
Dec 15 '11 at 18:10
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How to read the content of a file to a string in C?
...( &buffer, &len, '\0', fp);
if ( bytes_read != -1) {
/* Success, now the entire file is in the buffer */
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How does the following LINQ statement work?
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@M.C I don't know why you are asking this question. Whole answer was not given at a time. It was edited several times.
– Atish Dipongkor - MVP
Jul 18 '13 at 2:50
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How do I grep recursively?
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It is good to know that "-i" would make it case insensitive, and "-n" also include the line number for each matched result.
– Sadegh
Jan 23 '15 at 12:02
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What is a lambda expression in C++11?
...ard benefits heavily from lambdas and raises the usability several bars as now users don't have to clutter their code with small functors in some accessible scope.
C++14
In C++14 lambdas have been extended by various proposals.
Initialized Lambda Captures
An element of the capture list can now b...
Vertically centering a div inside another div [duplicate]
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Modern solution (transform)
Since transforms are fairly well supported now there is an easier way to do it.
CSS
.cn {
position: relative;
width: 500px;
height: 500px;
}
.inner {
position: absolute;
top: 50%; left: 50%;
transform: translate(-50%,-50%);
width: 200px;
height: 200...
How to create a self-signed certificate with OpenSSL
... the Trust Store used by the browser.
Steps 2 - 4 are roughly what you do now for a public facing server when you enlist the services of a CA like Startcom or CAcert. Steps 1 and 5 allows you to avoid the third-party authority, and act as your own authority (who better to trust than yourself?).
Th...
When should you NOT use a Rules Engine? [closed]
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Don't know if that's what you'd call it. What changes by using that name? Nothing that I can see...
– duffymo
Nov 12 '13 at 0:21
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How to map and remove nil values in Ruby
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Ruby 2.7+
There is now!
Ruby 2.7 is introducing filter_map for this exact purpose. It's idiomatic and performant, and I'd expect it to become the norm very soon.
For example:
numbers = [1, 2, 5, 8, 10, 13]
enum.filter_map { |i| i * 2 if i.ev...