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How can I convert a Unix timestamp to DateTime and vice versa?

... but this returns a double, I guess one needs to cast to long? – knocte May 6 '13 at 6:25 add a comment  |  ...
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The type or namespace name 'Objects' does not exist in the namespace 'System.Data'

...re.Objects.ObjectQuery)query).ToTraceString(); I got this error: Cannot cast 'query' (which has an actual type of 'System.Data.Entity.Infrastructure.DbQuery<<>f__AnonymousType3<string,string,string,short,string>>') to 'System.Data.Entity.Core.Objects.ObjectQuery' So I ended up...
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Ubuntu running `pip install` gives error 'The following required packages can not be built: * freety

... I think the -devel convention is for RPM and the -dev convention is for DEB. Try apt-cache search '^libfreetype.*-dev$' which gives libfreetype6-dev. – Dietrich Epp Dec 12 '13 at 3:09 ...
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Stop the 'Ding' when pressing Enter

...gt;<br/> By the way: For this project I am using VB. so instead of casting e.KeyChar, I convert it: if e.KeyChar = ChrW(Keys.Enter Then .... – Mark Ainsworth Jul 19 '15 at 15:01 ...
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Serializing PHP object to JSON

... members regardless of visibility or type) to an associative array, or typecasting it to stdClass? I'm thinking in the direction of Reflection, but if not, I'll just figure out something to recursively perform it. – Dan Lugg Jul 26 '11 at 21:28 ...
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In Android, how do I set margins in dp programmatically?

...ViewGroup that supports margin (e.g. LinearLayouot or RelativeLayout), and cast the result of getLayoutParams() to the specific LayoutParams you want. (ViewGroup.LayoutParams does not even have setMargins() method!) The function below should do the trick. However make sure you substitute RelativeLa...
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How to call a method after a delay in Android

... Kotlin Handler(Looper.getMainLooper()).postDelayed({ //Do something after 100ms }, 100) Java final Handler handler = new Handler(Looper.getMainLooper()); handler.postDelayed(new Runnable() { @Override ...
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Developing GUIs in Python: Tkinter vs PyQt [closed]

...te directly to working with Qt in other languages too if you ever need to, and Qt is probably the best cross-platform interface toolkit available right now. There are only two real (potential) disadvantages: PyQt is only available under the GPL. This means if you release your code, it has to be a...
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How to use HttpWebRequest (.NET) asynchronously?

...that doesn't over-scope the 'request' variable, but you could have made a cast instead of using "as" keyword. An InvalidCastException would be thrown instead of a confuse NullReferenceException – Davi Fiamenghi Jun 30 '12 at 20:38 ...
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Application not picking up .css file (flask/python)

... I have read multiple threads and none of them fixed the issue that people are describing and I have experienced too. I have even tried to move away from conda and use pip, to upgrade to python 3.7, i have tried all coding proposed and none of them fixed...