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Why unsigned integer is not available in PostgreSQL?
...e on unused bits. If you are abusing that across another 20 tables, you're now wasting 800MB of space.
– tpartee
Mar 18 at 21:56
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Send email using java
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As i said i before i am new to STMP and i dont know how to ping smtp.gmail.com.
– Mohit Bansal
Sep 7 '10 at 4:11
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In Gradle, how do I declare common dependencies in a single place?
...ice help when gradually migrating from maven to gradle ! Enjoying it right now.
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Is String.Format as efficient as StringBuilder
...egabytes of text, or whether it's being called when a user clicks a button now and again. Unless you're doing some huge batch processing job I'd stick with String.Format, it aids code readability. If you suspect a perf bottleneck then stick a profiler on your code and see where it really is.
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Returning unique_ptr from functions
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@juanchopanza I realise this is now 2 years later, but do you still feel that this is wrong? As I mentioned in the previous comment, this isn't about copy elision. It just so happens that in the cases where copy elision might apply (even if it can't apply w...
How do you use “
...ironment instead.
My primary warning with this: be careful because you're now working with global variables, especially when using <<-. That means that you can end up with situations where a function is using an object value from the environment, when you expected it to be using one that was...
How come a non-const reference cannot bind to a temporary object?
...or the very reason that they are temporary objects and will die any moment now. The reason you are allowed to call non-const methods is that, well, you are welcome to do some "stupid" things as long as you know what you are doing and you are explicit about it (like, using reinterpret_cast). But if y...
Android update activity UI from service
...cts to implement Parcelable - this is particularly important to me as I am now sharing code between Android and iOS (using RoboVM)
RxJava provides canned (and cross-platform) scheduling, and easy composition of sequential asynchronous operations.
This should be more efficient than using a LocalBroad...
How do I add a linker or compile flag in a CMake file?
...target properties, cf. doc CMake compile flag target property and need to know the target name.
get_target_property(TEMP ${THE_TARGET} COMPILE_FLAGS)
if(TEMP STREQUAL "TEMP-NOTFOUND")
SET(TEMP "") # Set to empty string
else()
SET(TEMP "${TEMP} ") # A space to cleanly separate from existing cont...
Set every cell in matrix to 0 if that row or column contains a 0
...in the size of the matrix.
I use 1rst column and first row as markers to know where are rows/cols with only 1's. Then, there are 2 variables l and c to remember if 1rst row/column are all 1's also.
So the first pass sets the markers and resets the rest to 0's.
The second pass sets 1 in places wher...