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Different floating point result with optimization enabled - compiler bug?

...g, should I always turn on -ffloat-store option? Because the g++ version I tested is shipped with CentOS/Redhat 5 and CentOS/Redhat 6. I compiled many my programs under these platforms, I am worry about that will cause unexpected bugs inside my programs. – Bear ...
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Python module os.chmod(file, 664) does not change the permission to rw-rw-r— but -w--wx----

...g 664 which in octal is 1230 In your case you would need os.chmod("/tmp/test_file", 436) [Update] Note, for Python 3 you have prefix with 0o (zero oh). E.G, 0o666 share | improve this answer...
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Retrieve only static fields declared in Java class

... You can do it like this: Field[] declaredFields = Test.class.getDeclaredFields(); List<Field> staticFields = new ArrayList<Field>(); for (Field field : declaredFields) { if (java.lang.reflect.Modifier.isStatic(field.getModifiers())) { staticFields.add...
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window.location.reload with clear cache [duplicate]

...avaScript but I want to clear cache too, so on page refresh the page has latest versions of everything from server. Other browsers except IE are not getting latest content. ...
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Force drop mysql bypassing foreign key constraint

...technical_specification`, `pwishlist`, `role_perms`, `roles`, `settings`, `test`, `testanother`, `user_perms`, `user_roles`, `users`, `wishlist`; | +-------------------------------------------------------------------------------------------------------------------------------------------------------...
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How can I save an image with PIL?

... @RobRose during my testing, when I posted the answer, I did not find anything like that to be necessary. However, it may be the case now. If any testing you do proves it necessary let me know and I'll edit my answer – neck...
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Standard alternative to GCC's ##__VA_ARGS__ trick?

..., a8, a9, a10, ...) a10 int main(int argc, char *argv[]) { BAR("first test"); BAR("second test: %s", "a string"); return 0; } This same trick is used to: count the number of arguments expand differently depending on the number of arguments append to __VA_ARGS__ Explanation The st...
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Debugging Package Manager Console Update-Database Seed Method

... the Seed method. You may take this one step further and construct a unit test (or, more precisely, an integration test) that creates an empty test database, applies all EF migrations, runs the Seed method, and drops the test database again: var configuration = new DbMigrationsConfiguration<TCo...
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Regular expression for a string containing one word but not another

... FYI, check out regexr.com for a nice way to test these expressions out. – Joshua Pinter Apr 8 '14 at 14:23 ...
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Create a string of variable length, filled with a repeated character

...ls. On Firefox, Chrome, Node.js MacOS, Node.js Ubuntu, and Safari, the fastest implementation I tested was: function repeatChar(count, ch) { if (count == 0) { return ""; } var count2 = count / 2; var result = ch; // double the input until it is long enough. while (...