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How to do a logical OR operation in shell scripting

... @Doug: It's not that unix doesn't use them, it's that bash and all the other shells I know use them for input/output redirection. – Cascabel Nov 6 '10 at 2:28 add ...
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Dynamically replace the contents of a C# method?

What I want to do is change how a C# method executes when it is called, so that I can write something like this: 9 Answers ...
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Convert Unix timestamp to a date string

...ecognizes neither -d nor -r and provides no standard way in any command at all (that I know of) to format a Unix time from the command line (since POSIX Awk also lacks strftime()). (You can't use touch -t and ls because the former does not accept a time given as seconds since the Unix Epoch.) Note...
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MySQL: selecting rows where a column is null

... NULL = NULL is not really FALSE - it's NULL again. But it's not TRUE either, so IF(NULL = NULL) won't execute. – Konerak Jan 12 '11 at 19:50 ...
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Center HTML Input Text Field Placeholder

... input{ text-align:center; } is all you need. Working example in FF6. This method doesn't seem to be cross-browser compatible. Your previous CSS was attempting to center the text of an input element which had a class of "placeholder". ...
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How to hide TabPage from TabControl [duplicate]

... But RemoveByKey() + Add() is totally working – Vinko Vrsalovic Oct 3 '13 at 14:30 3 ...
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Taking screenshot on Emulator from Android Studio

...when I changed the default Desktop location to my Pictures library. Before all looked fine, but it didn't save the screenshot – lvmeijer Feb 11 '19 at 2:30 add a comment ...
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Mapping composite keys using EF code first

...his helps. EDIT: I just found a blog post from Julie Lerman with links to all kinds of EF 6 goodness. You can find whatever you need here. share | improve this answer | foll...
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Does Swift have access modifiers?

...Enable an entity to be used outside the defining module (target). You typically use open or public access when specifying the public interface to a framework. However, open access applies only to classes and class members, and it differs from public access as follows: public classes and class mem...
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How to determine the number of days in a month in SQL Server?

... All of the solutions mentioned here pale in comparison to the elegance of @Mikael Eriksson's answer. That works whenever a valid date is provided without crazy workarounds for niche cases and is far simpler code - I'd highly...