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Check if something is (not) in a list in Python
...re than just check whether an item is in a list, there are options:
list.index can be used to retrieve the index of an item. If that element does not exist, a ValueError is raised.
list.count can be used if you want to count the occurrences.
The XY Problem: Have you considered sets?
Ask yours...
Range references instead values
...
The short & direct answer: no, use the array index instead of the value
So the above code becomes:
package main
import "fmt"
type MyType struct {
field string
}
func main() {
var array [10]MyType
for idx, _ := range array {
array[idx].field = "...
How to get HTTP Response Code using Selenium WebDriver
... the response code of a http request using Selenium and Chrome or Firefox. All you have to do is start either Chrome or Firefox in logging mode. I will show you some examples below.
java + Selenium + Chrome
Here is an example of java + Selenium + Chrome, but I guess that it can be done in any lang...
Adding one day to a date
...
You should add a call to date_default_timezone_set function before running this code. For example add date_default_timezone_set('Europe/Rome');
– Luca Mastrostefano
Jul 9 '17 at 11:26
...
How to get all columns' names for all the tables in MySQL?
Is there a fast way of getting all column names from all tables in MySQL , without having to list all the tables?
10 Answe...
Is there a max array length limit in C++?
...e reached) is set by the restrictions of the size type used to describe an index in the array (and the size thereof). It is given by the maximum value the system's std::size_t can take. This data type is large enough to contain the size in bytes of any object
The other limit is a physical memory li...
Why can't an anonymous method be assigned to var?
...out this and how the C# and F# approaches contrast at mindscapehq.com/blog/index.php/2011/02/23/…
– itowlson
Feb 23 '11 at 23:33
...
C++: what regex library should I use? [closed]
... slated to become part of the C++0x standard (it's already in TR1).
Personally, I find Boost.Xpressive much nicer to work with. It is a header-only library and it has some nice features such as static regexes (regexes compiled at compile time).
Update: If you're using a C++11 compliant compiler (g...
EF Migrations: Rollback last applied migration?
...
The name of the migration with index 0 is $InitialDatabase.
– MEMark
Sep 9 '14 at 19:52
...
Is there a way to detect if an image is blurry?
...EANF, 'replicate');
R1 = U./Image;
R1(Image==0)=1;
index = (U>Image);
FM = 1./R1;
FM(index) = R1(index);
FM = mean2(FM);
case 'HISE' % Histogram entropy (Krotkov86)
FM = entropy(Image);
case 'HISR' % Histogram range (Firestone91)
...