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What is a WeakHashMap and when to use it? [duplicate]
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Above link by Ivaylo is dead now
– Phil Hamer
Aug 23 '16 at 20:14
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How to create JSON string in C#
...pen in VS 2008...so it was converted at some point. Does that mean we can now use .NET 3.5 within our existing codebase?
– PositiveGuy
Jun 29 '09 at 1:42
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Android Activity as a dialog
I have an Activity named whereActity which has child dialogs as well. Now, I want to display this activity as a dialog for another activity.
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Automatic text translation at MSDN pages - How to turn off?
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The language switcher as of August '16 is now on the very left bottom of the page.
– hmrc87
Aug 5 '16 at 7:03
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Elegant setup of Python logging in Django
...best way I've found so far is to initialize logging setup in settings.py - nowhere else. You can either use a configuration file or do it programmatically step-by-step - it just depends on your requirements. The key thing is that I usually add the handlers I want to the root logger, using levels and...
java.util.Date to XMLGregorianCalendar
...ld question. The classes mentioned, Date and XMLGregorianCalendar, are old now. I challenge the use of them and offer alternatives.
Date was always poorly designed and is more than 20 years old. This is simple: don’t use it.
XMLGregorianCalendar is old too and has an old-fashioned design. As I u...
How can you use optional parameters in C#?
...s:
public void SomeMethod(int a, int b = 0)
{
//some code
}
Edit: I know that at the time the question was asked, C# 4.0 didn't exist. But this question still ranks #1 in Google for "C# optional arguments" so I thought - this answer worth being here. Sorry.
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How to drop a PostgreSQL database if there are active connections to it?
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OK. Now I understand, that was a typo. Thanks!
– jb.
Dec 11 '13 at 9:53
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Check if table exists without using “select from”
...get it what happened here. I've checked the answers, because I am doing it now, and it is true that Sergio Tulentsevs answer was earlier (1 mins) and offered 3 solutions, but this one is the most effective. Why should I select anything more or anything else what I want? I need a "boolean" 1/0 in thi...
Simple Pivot Table to Count Unique Values
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=IF(SUMPRODUCT(($A$2:$A2=A2)*($B$2:$B2=B2))>1,0,1)
and copy it down. Now create your pivot based on 1st and 3rd column. See snapshot
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