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How to force an entire layout View refresh?

...Invalidate the whole view. If the view is visible, onDraw(Canvas) will be called at some point in the future. This must be called from a UI thread. To call from a non-UI thread, call postInvalidate(). ViewGroup vg = findViewById (R.id.mainLayout); vg.invalidate(); Now, when the Activity resume...
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How to use pip with Python 3.x alongside Python 2.x

I installed Python 3.x (besides Python 2.x on Ubuntu) and slowly started to pair modules I use in Python 2.x. 10 Answers ...
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Cannot set some HTTP headers when using System.Net.WebRequest

...ht to the last section of the answer. If you want to know better, read it all, and i hope you'll enjoy... I countered this problem too today, and what i discovered today is that: the above answers are true, as: 1.1 it's telling you that the header you are trying to add already exist and you s...
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What's the difference between a proxy server and a reverse proxy server? [closed]

...ccurate, but perhaps too terse. I will try to add some examples. First of all, the word "proxy" describes someone or something acting on behalf of someone else. In the computer realm, we are talking about one server acting on the behalf of another computer. For the purposes of accessibility, I wi...
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What is the difference between a JavaBean and a POJO?

... Note that a JavaBean can be and usually is a POJO and many POJOs are actually JavaBeans. – Joachim Sauer Sep 8 '09 at 14:21 8 ...
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Explanation of …

...the browser can understand, and so the browser will simply ignore it. This allows you to put anything in there, which can then be extracted later and used by a templating library to generate HTML snippets. Backbone doesn't force you to use any particular templating library - there are quite a few o...
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If REST applications are supposed to be stateless, how do you manage sessions?

...ined to be Representational State Transfer . I therefore don't understand all this stateless gobbledeygook that everyone keeps spewing. ...
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How do I subtract minutes from a date in javascript?

... Once you know this: You can create a Date by calling the constructor with milliseconds since Jan 1, 1970. The valueOf() a Date is the number of milliseconds since Jan 1, 1970 There are 60,000 milliseconds in a minute :-] ...it isn't so hard. In the code below, a new D...
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Stop the 'Ding' when pressing Enter

... e.SuppressKeyPress = true; } } The SuppressKeyPress is the really trick. I hope that help you. share | improve this answer | follow | ...
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Read and parse a Json File in C#

... How about making all the things easier with Json.NET? public void LoadJson() { using (StreamReader r = new StreamReader("file.json")) { string json = r.ReadToEnd(); List<Item> items = JsonConvert.DeserializeObje...