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How to get a list of repositories apt-get is checking? [closed]
...ted (for now) with comment: Please show us how to capture this output and convert it to the answer to the question, i.e. each time we do apt update, how do we filter that output/text to extract the information relevant to this question?
– dardisco
May 7 '19 ...
java.util.regex - importance of Pattern.compile()?
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The compile() method is always called at some point; it's the only way to create a Pattern object. So the question is really, why should you call it explicitly? One reason is that you need a reference to the Matcher object so you can use its methods, like group(int) to r...
Get notified when UITableView has finished asking for data?
...plete the loading process before it ended. But Apple changed it at some point. Now the UITableView class can cache the reloadData call with all the row insert and delete calls. If you look at the @interface declaration for UITableView, you will find NSMutableArray member _reloadItems right under ...
Are nullable types reference types?
When I declare an int as nullable
6 Answers
6
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Change the font of a UIBarButtonItem
...et the exclamation mark (!) after the font. The error message: "'_' is not convertible to 'String'" is not really helpful.
– Ciryon
Sep 3 '15 at 6:41
add a comment
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How to check if function exists in JavaScript?
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If you're using eval to convert a string to function, and you want to check if this eval'd method exists, you'll want to use typeof and your function string inside an eval:
var functionString = "nonexsitantFunction"
eval("typeof " + functionString)...
How is Math.Pow() implemented in .NET Framework?
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MethodImplOptions.InternalCall
That means that the method is actually implemented in the CLR, written in C++. The just-in-time compiler consults a table with internally implemented methods and compiles the call to the C++ function directly.
H...
Why not inherit from List?
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There are some good answers here. I would add to them the following points.
What is the correct C# way of representing a data structure, which, "logically" (that is to say, "to the human mind") is just a list of things with a few bells and whistles?
Ask any ten non-computer-programmer peo...
How to create standard Borderless buttons (like in the design guideline mentioned)?
... android:layout_marginBottom="4dip"
android:layout_marginTop="4dip"
android:background="?android:attr/dividerVertical"
android:layout_centerHorizontal="true"/>
<Button
android:id="@+id/BtnColorPickerCancel"
android:la...
HttpUtility does not exist in the current context
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i converted project from .net2 to .net4. just changing Target Framework didnt' fix problem. i needed to add the dll, too. that is explained better in at lxk613's answer , and shows what i need to do to fix the problem .
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