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explicit casting from super class to subclass
... telling the compiler "trust me. I'm a professional, I know what I'm doing and I know that although you can't guarantee it, I'm telling you that this animal variable is definitely going to be a dog."
Since the animal isn't actually a dog (it's an animal, you could do Animal animal = new Dog(); and ...
How to serialize a JObject without the formatting?
...s a special case? Instead of treating the JObject as an ordinary C# class and trying to serialise the internals, it does something like jObject.ToString(...) instead?
– Adrian Ratnapala
Jun 25 '14 at 9:17
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Android set height and width of Custom view programmatically
...method to measure the view more precisely depending on the space available and layout constraints (wrap_content, match_parent, or a fixed size).
You can find an example on how to override onMeasure() by looking at the android docs and the LabelView sample in your SDK directory.
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ruby convert array into function arguments
... postfix: "",
imageUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9....
How can I calculate an md5 checksum of a directory?
...l files of a particular type ( *.py for example) placed under a directory and all sub-directories.
15 Answers
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Cancel/kill window.setTimeout() before it happens
..., for example. I have a few of these that hang out for 10 seconds or more and if the user gets clicking around the action can occur at incorrect time intervals.
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git - diff of current changes before committing
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git diff by default shows difference between your working directory and the index (staging area for the next commit).
If you have already added (staged) the changes to the staging area, git diff --staged does the job. Staging area is the data from which the next commit will be formed by git...
What is 'YTowOnt9'?
...alue YTowOnt9 . I can't find that string anywhere in the (huge) codebase, and can't figure out where it came from. I decided to Google for that particular string, and the result surprised me. Over half a million - kind of random - hits. I haven't found any page describing the value itself. It has...
How to get the first line of a file in a bash script?
... a bash variable the first line of a file. I guess it is with the grep command, but it is any way to restrict the number of lines?
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windows batch SET inside IF not working
...y.
Therefore the delayedExpansion syntax exists, it uses ! instead of % and it is evaluated at execution time, not parse time.
Please note that in order to use !, the additional statement setlocal EnableDelayedExpansion is needed.
setlocal EnableDelayedExpansion
set var1=true
if "%var1%"=="true...