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mysql_fetch_array()/mysql_fetch_assoc()/mysql_fetch_row()/mysql_num_rows etc… expects parameter 1 to

...mysqli_fetch_assoc() mysql_num_rows()/mysqli_num_rows() Note: This error does not appear if no rows are affected by your query. Only a query with an invalid syntax will generate this error. Troubleshooting Steps Make sure you have your development server configured to display all errors. You ca...
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How to sum up elements of a C++ vector?

...lambda examples use for_each? accumulate would be more concise (even if it doesn't need the lambda) – jalf Jul 11 '10 at 7:15 4 ...
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Crontab Day of the Week syntax

In crontab does the Day of the Week field run from 0 - 6 or 1 -7 ? 3 Answers 3 ...
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Should I use document.createDocumentFragment or document.createElement

... Actually the fragment does not "disappear"; the browser moves the its childNodes to the DOM. So the fragment will still exist, but it will be empty after the insertion. – inf3rno Aug 3 '14 at 11:40 ...
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How to select Python version in PyCharm?

... Why does this have upvotes as it doesn't even answer the question. He says he has installed multiple versions of Python (version 2 and version 3). He wants to run some scripts with python 3 and some with python 2. How do you c...
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How do I tell matplotlib that I am done with a plot?

... The pyplot tutorial does mention clf() in the "multiple figures" section. Note that if you just create a new plot with figure() without closing the old one with close() (even if you close the GUI window), pyplot retains a reference to your old f...
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Can a program depend on a library during compilation but not runtime?

... have quick question say i have a dependeny jar w/ the scope of run time . Does the maven will be looking for the jar at compile time ? – gks Oct 11 '18 at 10:46 ...
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Inline code in org-mode

... This answer just makes code look monospaced, it doesn't actually endow it with the executable properties a real BEGIN_SRC block has. @Tom's answer below is better if you want that. – Ken Williams Sep 30 '15 at 20:15 ...
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How to deal with a slow SecureRandom generator?

... Uncommons Maths only downloads data from the Internet for seeding, it doesn't return that random data when generating random numbers. – Dan Dyer Sep 26 '08 at 10:41 ...
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How to find a min/max with Ruby

... Does this profiling take into account the time spent in GC? – Dave Morse Jul 6 '18 at 14:33 add a co...