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Is it better to use Enumerable.Empty() as opposed to new List() to initialize an IEnumerable
...ing it to a new list in the constructor:
public class Person
{
public string Name { get; set; }
public IList<Role> Roles { get; private set; }
public Person()
{
Roles = new List<Role>();
}
}
If you really really want to have the public setter, leave Roles ...
I want to delete all bin and obj folders to force all projects to rebuild everything
...flag to test first, so I ended up with this: $foldersToRemove='bin','obj';[string[]]$foldersToIgnore='ThirdParty';Get-ChildItem .\ -Include $foldersToRemove -Recurse|Where-Object{$_.FullName -inotmatch "\\$($foldersToIgnore -join '|')\\"}|Remove-Item -Force -Recurse -WhatIf (a bit messy here as one ...
UTF-8 all the way through
...econd parameter.
Input:
Unfortunately, you should verify every received string as being valid UTF-8 before you try to store it or use it anywhere. PHP's mb_check_encoding() does the trick, but you have to use it religiously. There's really no way around this, as malicious clients can submit dat...
Extracting text OpenCV
...;
#define INPUT_FILE "1.jpg"
#define OUTPUT_FOLDER_PATH string("")
int _tmain(int argc, _TCHAR* argv[])
{
Mat large = imread(INPUT_FILE);
Mat rgb;
// downsample and use it for processing
pyrDown(large, rgb);
Mat small;
cvtColor(rgb, small, CV_BGR2GRAY);
...
Is there a way to chain multiple value converters in XAML?
...l:ValueConverterGroup x:Key="statusForegroundGroup">
<local:IntegerStringToProcessingStateConverter />
<local:ProcessingStateToColorConverter />
<local:ColorToSolidColorBrushConverter />
</local:ValueConverterGroup>
Great stuff. Thanks, Josh. :)
...
How to profile methods in Scala?
... You can add a label to your prints with some currying: def time[R](label: String)(block: => R): R = { then add the label to the println
– Glenn 'devalias'
Jan 7 '17 at 23:52
...
How do I create a file and write to it in Java?
...can use the Files class to write to files:
Creating a text file:
List<String> lines = Arrays.asList("The first line", "The second line");
Path file = Paths.get("the-file-name.txt");
Files.write(file, lines, StandardCharsets.UTF_8);
//Files.write(file, lines, StandardCharsets.UTF_8, StandardO...
Running a cron every 30 seconds
...p;
# Execute the payload, some random duration up to the limit.
# Extra blank line if excess payload.
((delay = RANDOM % maxtime + 1))
((maxtime += 1))
echo "$(date) Sleeping for ${delay} seconds (max ${maxtime})."
[[ ${delay} -gt 30 ]] && echo
sleep ${delay}
...
Array.Add vs +=
...e tried this. I create it using New-Object System.Collections.Generic.List[string] but then if I do .GetType, it tells me it is an array.
– Preza8
Jun 12 '17 at 12:35
1
...
Convert to binary and keep leading zeros in Python
...most compact and direct option.
If you are putting the result in a larger string, use an formatted string literal (3.6+) or use str.format() and put the second argument for the format() function after the colon of the placeholder {:..}:
>>> value = 14
>>> f'The produced output, i...