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How do I set a conditional breakpoint in gdb, when char* x points to a string whose value equals “he

... You can use strcmp: break x:20 if strcmp(y, "hello") == 0 20 is line number, x can be any filename and y can be any variable. share | improve this ans...
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How does the following LINQ statement work?

...ist = new List<int>{1,2,4,5,6}; var even = list.Where(m => m%2 == 0).ToList(); list.Add(8); foreach (var i in even) { Console.WriteLine(i); } share | improve this answer | ...
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How do I combine two data frames?

... answered Oct 12 '12 at 0:07 Joran BeasleyJoran Beasley 88.2k1111 gold badges116116 silver badges148148 bronze badges ...
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Measuring function execution time in R

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Bower and devDependencies vs dependencies

I ran 'yo angular' and realized afterwards that it installs 1.0.8, I uninstalled the angular components, however the original bower.json file had angular-mocks and angular-scenario under 'devDependencies' when I re-add all the 1.2.0-rc.2 components angular-mocks and angular-scenario under dependenci...
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Cause of a process being a deadlock victim

...ess with a Select which takes a long time to finish, on the order of 5 to 10 minutes. I am currently not using NOLOCK as a hint to the MS SQL database engine. At the same time we have another process doing updates and inserts into the same database and same tables. The first process has sta...
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Is it a good idea to index datetime field in mysql?

... elimination of rows between conditions: http://dev.mysql.com/doc/refman/5.0/en/mysql-indexes.html This makes your datetime column an excellent candidate for an index if you are going to be using it in conditions frequently in queries. If your only condition is BETWEEN NOW() AND DATE_ADD(NOW(), IN...
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Fast ceiling of an integer division in C / C++

...erested in a method of returning the ceiling instead. For example, ceil(10/5)=2 and ceil(11/5)=3 . 10 Answers ...
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Ruby Regexp group matching, assign variables on 1 line

... 201 You don't want scan for this, as it makes little sense. You can use String#match which will ret...
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Argparse: Required argument 'y' if 'x' is present

... | edited Mar 20 '19 at 10:13 answered Oct 16 '13 at 22:11 ...