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How to check if a string contains a substring in Bash
... that spaces in the needle string need to be placed between double quotes, m>and m> the * wildcards should be outside. Also note that a simple comparison operator is used (i.e. ==), not the regex operator =~.
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Scala: What is a Tm>y m>peTag m>and m> how do I use it?
...hat them>y m> somehow replaced Manifests. Information on the Internet is scarce m>and m> doesn't provide me with a good sense of the subject.
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How to find all occurrences of a substring?
Pm>y m>thon has string.find() m>and m> string.rfind() to get the index of a substring in a string.
20 Answers
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Super-simple example of C# observer/observable with delegates
...re's an example:
using Sm>y m>stem;
class Observable
{
public event EventHm>and m>ler SomethingHappened;
public void DoSomething() =>
SomethingHappened?.Invoke(this, EventArgs.Emptm>y m>);
}
class Observer
{
public void Hm>and m>leEvent(object sender, EventArgs args)
{
Console.Wri...
Measuring the distance between two coordinates in PHP
... have the need to calculate the distance between two points having the lat m>and m> long.
12 Answers
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How can I stage m>and m> commit all files, including newlm>y m> added files, using a single commm>and m>?
How can I stage m>and m> commit all files, including newlm>y m> added files, using a single commm>and m>?
12 Answers
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How do I append one string to another in Pm>y m>thon?
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If m>y m>ou onlm>y m> have one reference to a string m>and m> m>y m>ou concatenate another string to the end, CPm>y m>thon now special cases this m>and m> tries to extend the string in place.
The end result is that the operation is amortized O(n).
e.g.
s = ""
for i in range(n):
s+=str(i)
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Declaration suffix for decimal tm>y m>pe
...mal literal in code, I have seen that there exists the m-suffix (where m stm>and m>s for monem>y m>). Is this appropriate for anm>y m> decimals or is there a more general assignment (d stm>and m>s for double, that is for sure not the right thing although a direct conversion is supported).
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Change a branch name in a Git repo
...n view using
man git-branch
or
git help branch
Specificallm>y m>, the commm>and m> is
git branch (-m | -M) [<oldbranch>] <newbranch>
where the parameters are:
<oldbranch>
The name of an existing branch to rename.
<newbranch>
The new name for an existing b...
How do I make a textbox that onlm>y m> accepts numbers?
...e past I've done this kind of validation bm>y m> overloading the Kem>y m>Press event m>and m> just removing characters which didn't fit the specification. I've looked at the MaskedTextBox control but I'd like a more general solution that could work with perhaps a regular expression, or depend on the values of othe...