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Get DateTime.Now with milliseconds precision
... etc.
If your question is actually just around converting a DateTime to a string with millisecond precision, I'd suggest using:
string timestamp = DateTime.UtcNow.ToString("yyyy-MM-dd HH:mm:ss.fff",
CultureInfo.InvariantCulture);
(Note that unlike your...
LINQ to Entities does not recognize the method
...xpressions.Expression<Func<Charity, bool>> IsSatisfied()
{
string name = this.charityName;
string referenceNumber = this.referenceNumber;
return p =>
(string.IsNullOrEmpty(name) ||
p.registeredName.ToLower().Contains(name.ToLower()) ||
p.a...
Change default app.config at runtime
...bstract class AppConfig : IDisposable
{
public static AppConfig Change(string path)
{
return new ChangeAppConfig(path);
}
public abstract void Dispose();
private class ChangeAppConfig : AppConfig
{
private readonly string oldConfig =
AppDomain.Cu...
Check if a Bash array contains a value
... loop over all the elements (at least not explicitly). But since array_to_string_internal() in array.c still loops over array elements and concatenates them into a string, it's probably not more efficient than the looping solutions proposed, but it's more readable.
if [[ " ${array[@]} " =~ " ${val...
How can I find the method that called the current method?
...ication and you see that compiler optimsations break it. static void Main(string[] args) { CallIt(); } private static void CallIt() { Final(); } static void Final() { StackTrace trace = new StackTrace(); StackFrame frame = trace.GetFrame(1); Console.WriteLine("{0}.{1}()", frame.GetMetho...
Nullable ToString()
...question, the former solution is suggested while nobody actually notices ToString() already gives the correct answer.
Maybe the argument for the more verbose solution is readability: When you call ToString() on something that is supposed to be null, you usually expect a NullReferenceException, alth...
How to get the current date without the time?
...just looking to print the date, you can use:
Console.WriteLine(dateTime.ToString("d"));
or use an explicit format:
Console.WriteLine(dateTime.ToString("dd/MM/yyyy"));
See more about standard and custom date/time format strings. Depending on your situation you may also want to specify the cultu...
How to get a JavaScript object's class?
...andards-compliant means of getting the "class" of a JavaScript object as a string. If the object is instantiated with var obj = new MyClass(), it will return "MyClass".
It will return "Number" for numbers, "Array" for arrays and "Function" for functions, etc. It generally behaves as expected. The o...
Go Unpacking Array As Arguments
...ay.golang.org/p/2nN6kjHXIsd
I had a reason to unpack some vars from a map[string]string with single quotes around some of them as well as without. Here's the logic for it and the play link up top has the full working snippet.
func unpack(a map[string]string) string {
var stmt, val string
var x, y...
How to get the device's IMEI/ESN programmatically in android?
...droid.telephony.TelephonyManager.getDeviceId().
This will return whatever string uniquely identifies the device (IMEI on GSM, MEID for CDMA).
You'll need the following permission in your AndroidManifest.xml:
<uses-permission android:name="android.permission.READ_PHONE_STATE" />
in order t...