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Validate decimal numbers in JavaScript - IsNumeric()
...(I had to consider also exponential notation, etc.), a Number object, virtually anything could be passed to that function, I couldn't make any type assumptions, taking care of type coercion (eg. +true == 1; but true shouldn't be considered as "numeric").
I think is worth sharing this set of +30 un...
Plot logarithmic axes with matplotlib in python
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You can use the Axes.set_yscale method. That allows you to change the scale after the Axes object is created. That would also allow you to build a control to let the user pick the scale if you needed to.
The relevant line to add is:
ax.set_yscale('log')
You can use ...
How to get the error message from the error code returned by GetLastError()?
After a Windows API call, how can I get the last error message in a textual form?
11 Answers
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How to easily initialize a list of Tuples?
I love tuples . They allow you to quickly group relevant information together without having to write a struct or class for it. This is very useful while refactoring very localized code.
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Case preserving substitute in Vim
...Job/g, then the Subvert command will switch to mixed-case mode and will do all the substitions as given by OP.
– shivams
Apr 26 at 22:53
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How are cookies passed in the HTTP protocol?
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so in any request that is made, are all the cookies ipso facto sent?
– BKSpurgeon
Feb 7 '18 at 0:19
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Replacing some characters in a string with another character
I have a string like AxxBCyyyDEFzzLMN and I want to replace all the occurrences of x , y , and z with _ .
5 Answers
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Generic TryParse
...nk if it did then probably an exception should be thrown instead of essentially silently failing and return something else. When I tried it on my own class (in which I didn't define a typeconverter), I got a converter from GetConverter, but then the ConvertFromString threw a NotSupportedException.
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Why can't overriding methods throw exceptions broader than the overridden method?
...tends A {
@Override
public void foo() throws SocketException {..} // allowed
@Override
public void foo() throws SQLException {..} // NOT allowed
}
SocketException extends IOException, but SQLException does not.
This is because of polymorphism:
A a = new B();
try {
a.foo();
} cat...
Android: I am unable to have ViewPager WRAP_CONTENT
...6 '13 at 12:22
Daniel López LacalleDaniel López Lacalle
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