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What's the difference between a catalog and a schema in a relational database?
...table_catalog" column map to the name of a database.
If you find your platform using catalog in a broader way than any of these three definitions, it might be referring to something broader than a database--a database cluster, a server, or a server cluster. But I kind of doubt that, since you'd...
mmap() vs. reading blocks
...d it's transparent.
Final Update: Look, people: across a lot of different platform combinations of OS and standard libraries and disks and memory hierarchies, I can't say for certain that the system call mmap, viewed as a black box, will always always always be substantially faster than read. That...
Is #pragma once a safe include guard?
...ompilation. I recognize that is non-standard, and thus could pose a cross-platform compatibility issue.
14 Answers
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How to get an absolute file path in Python
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Note: On most platforms, this is equivalent to calling the function normpath() as follows: normpath(join(os.getcwd(), path)). So if mydir/myfile.txt do not under os.getcwd(), the absolute path is not the real path.
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How to increase the Java stack size?
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I wonder which platforms are they when the document only say - "On some platforms"
– Dennis C
Dec 5 '14 at 1:02
add...
Open another application from your own (intent)
...LaunchIntentForPackage() already does all that for you github.com/android/platform_frameworks_base/blob/master/core/…
– jrub
Mar 6 '15 at 11:38
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Why use multiple columns as primary keys (composite primary key)
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1) Performance. Not in an SQL platform (maybe in the pretend "sql"s and freeware). 2) Preference is irrelevant. What the tables require, for integrity, is relevant. 3) A "surrogate" ID with an index is always an additional column and an additional index....
Error while installing json gem 'mkmf.rb can't find header files for ruby'
...1 prints the non-existent path
/Applications/Xcode.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX10.15.sdk/System/Library/Frameworks/Ruby.framework/Versions/2.3/usr/include/ruby-2.3.0
However, Xcode 11 installs a macOS 10.14 SDK within /Library/Developer/CommandLineTools/S...
Signed versus Unsigned Integers
...and yet others use something completely different. That all depends on the platform you're working with.
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How do emulators work and how are they written? [closed]
...ruction, you compile this list of operations to machine code for your host platform, then you cache this compiled code and execute it. Then when you hit a given instruction group again, you only have to execute the code from the cache. (BTW, most people don't actually make a list of instructions b...