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What is Func, how and when is it used
...pe to reference a method that returns some value of T. E.g.
public static string GetMessage() { return "Hello world"; }
may be referenced like this
Func<string> f = GetMessage;
share
|
im...
How to replace multiple strings in a file using PowerShell
... customising a configuration file. I want to replace multiple instances of strings within this file, and I tried using PowerShell to do the job.
...
How can I remove an element from a list, with lodash?
...
Yet, that's the only one that works with strings in array. _.remove just flushes the array.
– Yauheni Prakopchyk
Dec 17 '15 at 12:57
3
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How to write one new line in Bitbucket markdown?
...
this places an extra blank link between line1 and line2 in bitbucket readme.md files
– simpleuser
Jul 17 '19 at 21:34
...
Getting current device language in iOS?
...tes). In order to retrieve the currently selected language, you can do:
NSString * language = [[NSLocale preferredLanguages] firstObject];
This will return a two letter code for the currently selected language. "en" for English, "es" for Spanish, "de" for German, etc. For more examples, please se...
Send file using POST from a Python script
...om os.path import abspath, isabs, isdir, isfile, join
import random
import string
import sys
import mimetypes
import urllib2
import httplib
import time
import re
def random_string (length):
return ''.join (random.choice (string.letters) for ii in range (length + 1))
def encode_multipart_data (...
Iterating over all the keys of a map
... slice of the map-keys.
// Return keys of the given map
func Keys(m map[string]interface{}) (keys []string) {
for k := range m {
keys = append(keys, k)
}
return keys
}
// use `Keys` func
func main() {
m := map[string]interface{}{
"foo": 1,
"bar": true,
...
Android: Bitmaps loaded from gallery are rotated in ImageView
...rsor cursor = context.getContentResolver().query(photoUri,
new String[] { MediaStore.Images.ImageColumns.ORIENTATION }, null, null, null);
if (cursor.getCount() != 1) {
return -1;
}
cursor.moveToFirst();
return cursor.getInt(0);
}
And then you can get a rotate...
What does the “yield” keyword do?
...i)
0
1
4
Everything you can use "for... in..." on is an iterable; lists, strings, files...
These iterables are handy because you can read them as much as you wish, but you store all the values in memory and this is not always what you want when you have a lot of values.
Generators
Generators ar...
Best Timer for using in a Windows service
... Console.WriteLine("{0} Creating timer.\n",
DateTime.Now.ToString("h:mm:ss.fff"));
Timer stateTimer =
new Timer(timerDelegate, autoEvent, 1000, 250);
// When autoEvent signals, change the period to every
// 1/2 second.
autoEvent.Wait...