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JavaScript regex multiline flag doesn't work
...const re = /foo.bar/s; // Or, `const re = new RegExp('foo.bar', 's');`.
re.test('foo\nbar');
// → true
re.dotAll
// → true
re.flags
// → 's'
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...
Get statistics for each group (such as count, mean, etc) using pandas GroupBy?
...0000 -0.630 -0.63
Footnotes
The code used to generate the test data is shown below:
In [1]: import numpy as np
...: import pandas as pd
...:
...: keys = np.array([
...: ['A', 'B'],
...: ['A', 'B'],
...: ['A', 'B'],
...: ['A', '...
Purpose of Unions in C and C++
...t that the structure members be placed without arbitrary padding. If code tests for structure-member placement or structure size, code should work if accesses are done directly through the union, but a strict reading of the Standard would indicate that taking the address of a union or struct member...
Where in memory are my variables stored in C?
...a, putting it in its own read-only non-exec segment, separate from code (I tested on GNU/Linux). This means static constants like string literals are no longer possible candidates for Spectre / ROP gadgets because they're in non-executable pages.
– Peter Cordes
...
Why can't I use the 'await' operator within the body of a lock statement?
... impossible to implement -- the fact that you implemented it yourself is a testament to that fact. Rather, it is an incredibly bad idea and so we don't allow it, so as to protect you from making this mistake.
call to Monitor.Exit within ExitDisposable.Dispose seems to block indefinitely (most of...
How do you use the Immediate Window in Visual Studio?
...foo’ already exists
"hello"
In addition, if you want to interact and test the method directly without relying on an existing instance in memory, then you can instantiate your own instance in the Immediate Window:
? Foo foo = new Foo(); // new instance of ‘Foo’
{temp.Program.Foo}
? foo.GetMe...
MySql: Tinyint (2) vs tinyint(1) - what is the difference?
... clients (navicat, sequel pro).
It does not mean anything AT ALL! I ran a test, all above clients or even the command-line client seems to ignore this.
But, display width is most important if you are using ZEROFILL option, for example your table has following 2 columns:
A tinyint(2) zerofill
B t...
Inserting a Link to a Webpage in an IPython Notebook
...
Have you tested out? It doesn't work at my end. It returns an error (KeyError: 'name')
– Sameh
Nov 3 '19 at 1:09
...
How to remove from a map while iterating it?
...ing pointed to by next_it or successors. A totally cleared list/map can be tested against as well.
– Larswad
Nov 21 '17 at 15:13
...
C++ static virtual members?
...tic()
{
return "YourObject";
}
};
Let's add some code to test:
char* GetObjectClassName(Object* object)
{
return object->GetClassName();
}
int main()
{
MyObject myObject;
YourObject yourObject;
printf("%s\n", MyObject::GetClassNameStatic());
printf("%s\n",...