...g from the Django documentation: ... note that reverse() should generally only be called on a QuerySet which has a defined ordering (e.g., when querying against a model which defines a default ordering, or when using order_by()). If no such ordering is defined for a given QuerySet, ...

... still use solely uname, but you have to deal with if/else blocks to check all MinGW, Cygwin, etc. variations. The environment variable OS is always set to "Windows_NT" on different Windows versions (see %OS% environment variable on Wikipedia). An alternative of OS is the environment variable MSVC (...

...hat an IDE debugger will give you over trace messages in code: View the call stack at any point in time, giving you a context for your current stack frame. Step into libraries that you are not able to re-compile for the purposes of adding traces (assuming you have access to the debug symbols) Chan...

...it also leaves a blank space at the beginning of the string if it was initially empty. I believe the point of the ternary operation is to produce a clean-looking string. – JMTyler Jun 21 '11 at 22:15 ...

... In fact, to be really complete, all of &&, ||, & and | evaluate left to right. For a set of booleans b1, b2, ..., bn, the short circuit versions will cease evaluation when the first of these booleans is true (||) or false (&&a...

... All those answers are wrong, since the release of gradle plugin v0.4.2 the setup of google play services under android studio is straight forward. You don't need to import any jar or add any project library nor add any new mo...

... a translation unit. This is the source file from your implementation plus all the headers you #included in it. Internal linkage refers to everything only in scope of a translation unit. External linkage refers to things that exist beyond a particular translation unit. In other words, accessible ...

I have a C program that aims to be run in parallel on several processors. I need to be able to record the execution time (which could be anywhere from 1 second to several minutes). I have searched for answers, but they all seem to suggest using the clock() function, which then involves calculating...

...ionality (Java Class Files). It also makes for easier debugging. It is actually a lot easier to read this way and think about Android imo. Question 2: I believe the two mainly used are #2 and #3. I will use a Button clickButton as an example. 2 is in the form of an anonymous class. Button clickButto...

... that are minimal wrappers around primitive types*. Boxed values are typically stored as pointers to objects on the heap. Thus, boxed values use more memory and take at minimum two memory lookups to access: once to get the pointer, and another to follow that pointer to the primitive. Obviously th...