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SQL: How to properly check if a record exists
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265
It's better to use either of the following:
-- Method 1.
SELECT 1
FROM table_name
WHERE uniqu...
Get HTML code from website in C#
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edited Nov 20 '19 at 17:40
rboy
1,4671414 silver badges2727 bronze badges
answered May 20...
Escape regex special characters in a Python string
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203
Use re.escape
>>> import re
>>> re.escape(r'\ a.*$')
'\\\\\\ a\\.\\*\\$'
>...
Make browser window blink in task Bar
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12 Answers
12
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Finding the max/min value in an array of primitives using Java
...static void main(String[] args) {
char[] a = {'3', '5', '1', '4', '2'};
List b = Arrays.asList(ArrayUtils.toObject(a));
System.out.println(Collections.min(b));
System.out.println(Collections.max(b));
}
}
Note that Arrays.asList() wraps the underlying array, so ...
How can I interrupt a ServerSocket accept() method?
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Ronan Boiteau
7,52566 gold badges2828 silver badges4343 bronze badges
answered Jun 6 '10 at 10:27
Simon GroenewoltSimo...
Animate element to auto height with jQuery
I want to animate a <div> from 200px to auto height. I can’t seem to make it work though. Does anyone know how?
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What are the differences between struct and class in C++?
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You forget the tricky 2nd difference between classes and structs.
Quoth the standard (§11.2.2 in C++98 through C++11):
In absence of an access-specifier
for a base class, public is assumed
when the derived class is declared
struct and ...
Why “no projects found to import”?
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lauralaura
7,02644 gold badges3131 silver badges4343 bronze badges
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Does the 'mutable' keyword have any purpose other than allowing the variable to be modified by a con
...fiable (they aren't by default):
int x = 0;
auto f1 = [=]() mutable {x = 42;}; // OK
auto f2 = [=]() {x = 42;}; // Error: a by-value capture cannot be modified in a non-mutable lambda
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