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How to make input type= file Should accept only pdf and xls

... You could do so by using the attribute accept and adding allowed mime-types to it. But not all browsers do respect that attribute and it could easily be removed via some code inspector. So in either case you need to check the file type...
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How do I set cell value to Date and apply default Excel date format?

... Thanks ninja, this works for me. One comment for others who need to do this. There is a POI class named BuiltinFormats that lists out all the standard formats (not just date formats) that Excel knows. I'm sticking with one of those to use as my parameter to the getFormat() method shown in the...
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What GRANT USAGE ON SCHEMA exactly do?

... GRANTs on different objects are separate. GRANTing on a database doesn't GRANT rights to the schema within. Similiarly, GRANTing on a schema doesn't grant rights on the tables within. If you have rights to SELECT from a table, but not the right to see it in the schema that contains it the...
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MAC addresses in JavaScript

... that it would be a privacy/security vulnerability if you would be able to do this directly from Javascript. There are two things I can think of: Using Java (with a signed applet) Using signed Javascript, which in FF (and Mozilla in general) gets higher privileges than normal JS (but it is fairly ...
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How to convert an NSTimeInterval (seconds) into minutes

... pseudo-code: minutes = floor(326.4/60) seconds = round(326.4 - minutes * 60) share | improve this answer | ...
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Passing properties by reference in C#

I'm trying to do do the following: 13 Answers 13 ...
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How to limit setAccessible to only “legitimate” uses?

...t.AccessibleObject.setAccessible , the more astonished I am at what it can do. This is adapted from my answer to the question ( Using reflection to change static final File.separatorChar for unit testing ). ...
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Twitter Bootstrap Customization Best Practices [closed]

...r possible as changes to the libraries are frequent. I am new to LESS so I don't know how its compilation entirely works. What are some best practices for working with LESS or LESS based frameworks? ...
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“Pretty” Continuous Integration for Python

... So how does one run the auditing from Pylint then? When I do nosetests --with-xunit --enable-audit I get nosetests: error: no such option: --enable-audit – Adam Parkin Mar 19 '12 at 23:00 ...
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Return multiple values in JavaScript?

...n browsers aside from IE support this syntax, but you can compile ES6 code down to IE-compatible JavaScript at build time with tools like Babel. share | improve this answer | ...