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Change SQLite database mode to read-write

...e FAQ). There is a plugin to compress and encrypt the database. It doesn't allow to modify the DB. Lastly, another FAQ says: "Make sure that the directory containing the database file is also writable to the user executing the CGI script." I think this is because the engine needs to create more file...
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Array Size (Length) in C#

...ts out in the comments, there is a concept of a "jagged array", which is really nothing more than a single-dimensional array of (typically single-dimensional) arrays. For example, one could have the following: int[][] c = new int[3][]; c[0] = new int[] {1, 2, 3}; c[1] = new int[] {3, 14}; c[2] = ...
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Calculating moving average

...y helpful though. There doesn't seem to be a built-in function in R will allow me to calculate moving averages. Do any packages provide one? Or do I need to write my own? ...
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How to extract text from a PDF? [closed]

...t was then easy to write an app to strip out blank lines, etc, and suck in all 30,000 records. -dSIMPLE and -dCOMPLEX made no difference in this case. share | improve this answer | ...
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“Unsafe JavaScript attempt to access frame with URL…” error being continuously generated in Chrome w

... You could allow cross-domain requests during testing by running chrome with the --disable-web-security command line option. This should probably get rid of the error (and allow FB to spy on your testing ;) ...
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How do browser cookie domains work?

...e's domain attribute is set, the cookie is applicable to that domain and all its subdomains; the cookie's domain must be the same as, or a parent of, the origin domain the cookie's domain must not be a TLD, a public suffix, or a parent of a public suffix. It can be derived that a cookie is alwa...
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What is “android:allowBackup”?

... For this lint warning, as for all other lint warnings, note that you can get a fuller explanation than just what is in the one line error message; you don't have to search the web for more info. If you are using lint via Eclipse, either open the lint war...
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C++ Erase vector element by value rather than by position? [duplicate]

... @jak: Take a look at the description of remove(): It moves all values not equal to the value passed to the beginning of the range [begin,end). With your example in the question you'd get 5,9,2,0,7,7. As remove() however returns an iterator to the new end, vec.erase() can remove the o...
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How to detect escape key press with pure JS or jQuery?

...cated as of jQuery 3.0... you should use .off – freefaller Apr 24 '18 at 14:07  |  show 9 more comments ...
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CSS Background Opacity [duplicate]

... It's not really correct to say that "Children inherit opacity". They don't. It's just that if a child is contained in a parent with opacity, the child will have opacity: 1, but the parent applies it's opacity to itself including all it'...