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Difference between int32, int, int32_t, int8 and int8_t
I came across the data type int32_t in a C program recently. I know that it stores 32 bits, but don't int and int32 do the same?
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Is the creation of Java class files deterministic?
...Are there any compiler options to avoid differences? Is a difference only possibly in theory or does Oracle's javac actually produce different class files for the same input and compiler options?
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How to implement my very own URI scheme on Android
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This is very possible; you define the URI scheme in your AndroidManifest.xml, using the <data> element. You setup an intent filter with the <data> element filled out, and you'll be able to create your own scheme. (More on int...
Nodejs Event Loop
...erstand node.js architecture in order to write native modules.
What I am posting here is my understanding of node.js and this might be a bit off track as well.
Libev is the event loop which actually runs internally in node.js to perform simple event loop operations. It's written originally for *n...
What do single quotes do in C++ when used on multiple characters?
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It's a multi-character literal. 1952805748 is 0x74657374, which decomposes as
0x74 -> 't'
0x65 -> 'e'
0x73 -> 's'
0x74 -> 't'
Edit:
C++ standard, §2.14.3/1 - Character literals
(...) An ordinary character literal that contains more than
one c-char is a multicharacter literal . A ...
What is the reason for performing a double fork when creating a daemon?
...irst child is
a session leader without a controlling terminal, it's possible for
it to acquire one by opening a terminal in the future (System V-
based systems). This second fork guarantees that the child is no
longer a session leader, preventing the daemon from ever acquiri...
What do the plus and minus signs mean in Objective-C next to a method?
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It's almost as if the extra five characters of "static" are somehow too much for them.
– Anon.
Jan 19 '10 at 21:40
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Storing time-series data, relational or non?
...etric, DateTime)
The table can be used to Pivot the data (ie. Devices across the top and Metrics down the side, or pivoted) using exactly the same SQL code (yes, switch the cells). I use the table to erect an unlimited variety of graphs and charts for customers re their server performance.
Mo...
Specifying and saving a figure with exact size in pixels
...'myfig.png', dpi=1000)
Note that I used the figure dpi of 100 to fit in most screens, but saved with dpi=1000 to achieve the required resolution. In my system this produces a png with 3840x7190 pixels -- it seems that the DPI saved is always 0.02 pixels/inch smaller than the selected value, which ...
What is a message pump?
In this thread (posted about a year ago) there is a discussion of problems that can come with running Word in a non-interactive session. The (quite strong) advice given there is not to do so. In one post it is stated "The Office APIs all assume you are running Office in an interactive session on...