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How do I check for nulls in an '==' operator overload without infinite recursion?

... And what does foo1.Equals(foo2) means if, for example, I want foo1 == foo2 only if foo1.x == foo2.x && foo1.y == foo2.y? Isn't this answering ignoring the case where foo1 != null but foo2 == null? ...
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HTTP error 403 in Python 3 Web Scraping

... This works but I feel like they must have a good reason to block bots and I'm violating their terms of service – xjcl Oct 11 '19 at 7:19 add a comment  ...
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How to vertical align an inline-block in a line of text?

I want to create an inline-block that will take on some unknown width and height. (It'll have a table inside it with content dynamically generated). Further, the inline-block should be placed inside a line of text, such as "my text (BLOCK HERE)". To make it look pretty, I'm trying to make the blo...
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How to set limits for axes in ggplot2 R plots?

... 5000)) Where the first removes all data points outside the given range and the second only adjusts the visible area. In most cases you would not see the difference, but if you fit anything to the data it would probably change the fitted values. You can also use the shorthand function xlim (or y...
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How do I temporarily disable triggers in PostgreSQL?

I'm bulk loading data and can re-calculate all trigger modifications much more cheaply after the fact than on a row-by-row basis. ...
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How can I get a Bootstrap column to span multiple rows?

... How would you make boxes four and five fill the row's height as box one grows? – Imran NZ Oct 20 '15 at 19:20 2 ...
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Remove unused imports in Android Studio

I recently started Android Studio IDE to make my android apps. I find shortkey to remove unused import in Android Studio is not working ( Ctrl + Shift + O ) ...
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Count all occurrences of a string in lots of files with grep

... doesn't work if you want to search in subdirectories too, whereas grep -o and wc -l does. cat is quicker in cases like the original question though. – Leagsaidh Gordon Jan 3 '13 at 15:37 ...
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Is it possible to start activity through adb shell? [duplicate]

... Launch adb shell and enter the command as follows am start -n yourpackagename/.activityname share | improve this answer | ...
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Chrome Extension Message passing: response not sent

I am trying to pass messages between content script and the extension 3 Answers 3 ...