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Enforcing the type of the indexed members of a Typescript object?
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Define interface
interface Settings {
lang: 'en' | 'da';
welcome: boolean;
}
Enforce key to be a specific key of Settings interface
private setSettings(key: keyof Settings, value: any) {
// Update settings key
}
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How do you divide each element in a list by an int?
...on:
myList = [10,20,30,40,50,60,70,80,90]
myInt = 10
newList = [x / myInt for x in myList]
or, if you need to maintain the reference to the original list:
myList[:] = [x / myInt for x in myList]
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how to append a list object to another
...So right. If it could have been so easy and efficient to "slice" maps and sets...
– paercebal
Sep 19 '09 at 23:28
Are...
How to get first and last day of the week in JavaScript
... first + 6; // last day is the first day + 6
var firstday = new Date(curr.setDate(first)).toUTCString();
var lastday = new Date(curr.setDate(last)).toUTCString();
firstday
"Sun, 06 Mar 2011 12:25:40 GMT"
lastday
"Sat, 12 Mar 2011 12:25:40 GMT"
This works for firstday = sunday of this week and la...
Why does “_” (underscore) match “-” (hyphen)?
... inside a LIKE statement. When replacing all _ with an - : UPDATE sys_file set identifier = REPLACE(identifier, '_', '-') WHERE identifier LIKE '%\_%';. Notice the escaping inside LIKE and no escaping inside REPLACE. (I find it strange though that you are not in a pattern context inside replace...)
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Firefox 'Cross-Origin Request Blocked' despite headers
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For me the fix was to set withCredentials=true on the XHR instance; otherwise Firefox failed to use the client cert when making the request (worked fine in Chrome, however).
– Clint Harris
Dec 4 '15 at 16:57
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Read error response body in Java
In Java, this code throws an exception when the HTTP result is 404 range:
8 Answers
8
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Shorthand way for assigning a single field in a record, while copying the rest of the fields?
... Foo { a :: Int, b :: Int , c :: String }
test = Foo 1 2 "Hello"
Then:
setL c "Goodbye" test
would update field 'c' of 'test' to your string.
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Regex Match all characters between two strings
...te that in the demo the "dot matches line breaks mode" (a.k.a.) dot-all is set (see how to turn on DOTALL in various languages). In many regex flavors, you can set it with the online modifier (?s), turning the expression into:
(?s)(?<=This is).*?(?=sentence)
Reference
The Many Degrees of R...
static function in C
What is the point of making a function static in C?
7 Answers
7
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