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Regex Email validation
... address is valid, pass the email address to the
MailAddress.MailAddress(String) class constructor.
public bool IsValid(string emailaddress)
{
try
{
MailAddress m = new MailAddress(emailaddress);
return true;
}
catch (FormatException)
{
return false;
...
How to ignore a property in class if null, using json.net
...hing in VB and it is no longer part of the JSON. This will only work with Strings though. Properties that are enums or integers will always show up - setting to Nothing results in the default value of "0" regardless.
– Destek
Apr 10 '17 at 15:50
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are there dictionaries in javascript like python?
...hnDemetriou the main difference is javascript object notation keys must be strings (enclosed in double quotes " " ). The object notation is as seen in JSON for data interchage and was inspired by the literal object notation; it is worth noting that JSON is usually used in string context
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Detect Safari browser
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Doesn't work. Currently outputting chrome UA string on iPhone and it doesn't even have the word "chrome" in it.
– Paul Carlton
Jul 1 '14 at 22:59
6
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Get type of a generic parameter in Java with reflection
...eterTypes[i]).getActualTypeArguments();
//parameters[0] contains java.lang.String for method like "method(List<String> value)"
}
}
I'm using jdk 1.6
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How do you get the current time of day?
...w.TimeOfDay gives it to you as a TimeSpan (from midnight).
DateTime.Now.ToString("h:mm:ss tt") gives it to you as a string.
DateTime reference: https://msdn.microsoft.com/en-us/library/system.datetime
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Getting the HTTP Referrer in ASP.NET
... ViewState["PreviousPageUrl"] = Request.UrlReferrer.ToString();
– JonH
Sep 23 '15 at 16:52
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How to make layout with View fill the remaining space?
...
Answer from woodshy worked for me, and it is simpler than the answer by Ungureanu Liviu since it does not use RelativeLayout.
I am giving my layout for clarity:
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_conte...
How would you implement an LRU cache in Java?
...gt; eldest) {
return super.size() > maxEntries;
}
}
Map<String, String> example = Collections.synchronizedMap(new LruCache<String, String>(CACHE_SIZE));
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scopes with lambda and arguments in Rails 4 style?
...Ruby 1.9, the short lambda syntax does not allow a space between the arrow and a parameter (scope :find_lazy, ->(param)). In Ruby 2+, the space is allowed. More info here...
– furman87
Aug 22 '15 at 19:07
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