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Calling startActivity() from outside of an Activity?

... if your android version is below Android - 6 then you need to add this line otherwise it will work above Android - 6. ... Intent i = new Intent(this, Wakeup.class); i.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); ... ...
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Pandas - Get first row value of a given column

...c('Btime')] = x The latter method is a bit faster, because df.loc has to convert the row and column labels to positional indices, so there is a little less conversion necessary if you use df.iloc instead. df['Btime'].iloc[0] = x works, but is not recommended: Although this works, it is taking ...
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Why is there no String.Empty in Java?

I understand that every time I type the string literal "" , the same String object is referenced in the string pool. 11 An...
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How can I print a circular structure in a JSON-like format?

I have a big object I want to convert to JSON and send. However it has circular structure. I want to toss whatever circular references exist and send whatever can be stringified. How do I do that? ...
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What's the difference setting Embed Interop Types true and false in Visual Studio?

... Types off. The difference is mentioned here: “C# 4, and later versions, converts the returned Object to dynamic automatically if the assembly is referenced by the /link compiler option or, equivalently, if the Excel Embed Interop Types property is set to true. True is the default value for this p...
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Can't use Swift classes inside Objective-C

...try to integrate Swift code in my app.My app is written in Objective-C and I added a Swift class. I've done everything described here . But my problem is that Xcode haven't created the -Swift.h file, only the bridging headers. So I created it, but it's actually empty. I can use all my Obj...
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What is the meaning of CTOR?

... It's just shorthand for "constructor" - and it's what the constructor is called in IL, too. For example, open up Reflector and look at a type and you'll see members called .ctor for the various constructors. ...
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How enumerate all classes with custom class attribute?

... Of course Resharper says "that foreach loop can be converted into a LINQ expression" which looks like this: assembly.GetTypes().Where(type => type.GetCustomAttributes(typeof(HelpAttribute), true).Length > 0); – David Barrows Oct 1...
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What is the max size of localStorage values?

...ith your code is not being able to get correct results with Correct way to convert size in bytes to KB, MB, GB in Javascript... I'll revise this tomorrow but if you can take a look, appreciated. – brasofilo Oct 16 '14 at 17:15 ...
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html5 - canvas element - Multiple layers

... If you have heavier images, this will take some time to convert HTML to canvas, we had to move away from this just because the rendering took long time. – Vilius Sep 27 '17 at 15:36 ...