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Return empty cell from formula in Excel

... then modify Boofus' formula by changing SomeRange to Range("MyRange"). To set a name for your cells, select the cells, click Define Name on the Formulas tab of the ribbon, and enter "MyRange" in the Name field. (And of course you could replace MyRange with anything you want.) –...
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How to get the caller's method name in the called method?

... inspect.getframeinfo and other related functions in inspect can help: >>> import inspect >>> def f1(): f2() ... >>> def f2(): ... curframe = inspect.currentframe() ... calframe = inspect.getouterframes(c...
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What must I know to use GNU Screen properly? [closed]

... I couldn't get used to screen until I found a way to set a 'status bar' at the bottom of the screen that shows what 'tab' or 'virtual screen' you're on and which other ones there are. Here is my setup: [roel@roel ~]$ cat .screenrc # Here comes the pain... caption always "%{=b ...
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Get Android Phone Model programmatically

.... Build.MODEL, on the other hand, is the user-facing value displayed under Settings->About Phone->Model number. – Mike Ortiz Aug 30 '12 at 19:20 1 ...
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What is a C++ delegate?

... #include <functional> std::function<int(double)> f = [can be set to about anything in this answer] // Usually more useful as a parameter to another functions Option 6: binding (using std::bind) Allows setting some parameters in advance, convenient to call a member function for ins...
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How do I list all cron jobs for all users?

Is there a command or an existing script that will let me view all of a *NIX system's scheduled cron jobs at once? I'd like it to include all of the user crontabs, as well as /etc/crontab , and whatever's in /etc/cron.d . It would also be nice to see the specific commands run by run-parts in /e...
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How to convert timestamps to dates in Bash?

...script that converts a Unix timestamp to a date. The input can come either from the first parameter or from stdin, allowing for the following usage patterns: ...
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Bash script to set up a temporary SSH tunnel

... editor after snippets, if snippets enabled if (StackExchange.settings.snippets.snippetsEnabled) { StackExchange.using("snippets", function() { createEditor(); }); } else { createEditor(); ...
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How do I create a random alpha-numeric string in C++?

...ength ) { auto randchar = []() -> char { const char charset[] = "0123456789" "ABCDEFGHIJKLMNOPQRSTUVWXYZ" "abcdefghijklmnopqrstuvwxyz"; const size_t max_index = (sizeof(charset) - 1); return charset[ rand() % max_index ]; }; std::str...
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Intersection and union of ArrayLists in Java

...t; List<T> union(List<T> list1, List<T> list2) { Set<T> set = new HashSet<T>(); set.addAll(list1); set.addAll(list2); return new ArrayList<T>(set); } public <T> List<T> intersection(List<T> list1, List&l...