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How to convert a string to number in TypeScript?
... cases (like "123.45") and corner cases (like null).
Table taken from this answer
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Transparent ARGB hex value
The colors in this table is all not transparent. I guess the value for the A is set to FF .
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How long is the SHA256 hash?
...now how long to make my VARCHAR when setting up the MySQL database. What is a good length?
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How to get milliseconds from LocalDateTime in Java 8
I am wondering if there is a way to get current milliseconds since 1-1-1970 (epoch) using the new LocalDate , LocalTime or LocalDateTime classes of Java 8.
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Java Name Hiding: The Hard Way
I have a problem with name hiding that is extremely hard to solve. Here is a simplified version that explains the problem:
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Can I change the color of auto detected links on UITextView?
I had a UITextView that detects phone numbers and links, but this overrides my fontColor and change it to blueColor . Is there a way to format the color of auto detected links, or should I try a manual version of this function?
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How to get “wc -l” to print just the number of lines without file name?
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Try this way:
wc -l < file.txt
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clear javascript console in Google Chrome
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Update: As of November 6, 2012, console.clear() is now available in Chrome Canary.
If you type clear() into the console it clears it.
I don't think there is a way to programmatically do it, as it could be misused. (console is cleared by some web page, end user can't a...
Is HTML5 localStorage asynchronous?
Is the setItem(key,value) function asynchronous?
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Give examples of functions which demonstrate covariance and contravariance in the cases of both over
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class Sub extends Super {
String getSomething() {}
}
Sub#getSomething is covariant because it returns a subclass of the return type of Super#getSomething (but fullfills the contract of Super.getSomething())
Contravariance
class Super{
void doSomething(String parameter)
}
class Sub extends S...
