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How can I remove a flag in C?

.... flags = flags & ~MASK; or flags &= ~MASK;. Long Answer ENABLE_WALK = 0 // 00000000 ENABLE_RUN = 1 // 00000001 ENABLE_SHOOT = 2 // 00000010 ENABLE_SHOOTRUN = 3 // 00000011 value = ENABLE_RUN // 00000001 value |= ENABLE_SHOOT // 00000011 or same as ENABLE_SHOOTRUN W...
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How can I check whether a radio button is selected with JavaScript?

...nd you have HTML like this <input type="radio" name="gender" id="gender_Male" value="Male" /> <input type="radio" name="gender" id="gender_Female" value="Female" /> For client-side validation, here's some Javascript to check which one is selected: if(document.getElementById('gender_M...
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Advantage of switch over if-else statement

...he clearest code is probably: if (RequiresSpecialEvent(numError)) fire_special_event(); Obviously this just moves the problem to a different area of the code, but now you have the opportunity to reuse this test. You also have more options for how to solve it. You could use std::set, for exa...
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C# if/then directives for debug vs release

... DEBUG/_DEBUG should be defined in VS already. Remove the #define DEBUG in your code. Set preprocessors in the build configuration for that specific build. The reason it prints "Mode=Debug" is because of your #define and then skip...
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How to grep a text file which contains some binary data?

... Yes, except that this won't work on OSX unless you do the following: LC_ALL="C" grep -a – Chris Stratton Feb 10 '19 at 18:05 ...
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POST unchecked HTML checkboxes

... Pollution and has been analyzed by OWASP: owasp.org/images/b/ba/AppsecEU09_CarettoniDiPaola_v0.8.pdf (page 9) where you can find a list of 20 systems systems and see how they handle that. – SimonSimCity Sep 5 '12 at 21:41 ...
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How to prepend a string to a column value in MySQL?

... update TICKET set status_details = CONCAT(status _details,'abc') where ticket_id=75108; ERROR 1583 (42000): Incorrect parameters in the call to native function 'CONCAT' – nirmesh khandelwal Jul 1 '13 at 13:45 ...
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Define global variable in a JavaScript function

...er: There's no reason whatsoever to use eval there. Instead: window[dynamic_variable_name] = dynamic_variable_value; – T.J. Crowder Mar 10 '16 at 10:05  | ...
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Making text background transparent but not text itself

... answered Sep 25 '13 at 21:44 BL_BL_ 1633 bronze badges add a comment ...
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Bootstrap 3 and Youtube in Modal

...h it. Here is YouTube's documentation. developers.google.com/youtube/player_parameters support.google.com/youtube/answer/… – jeremykenedy Mar 26 '17 at 14:12 ...