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Multithreading: What is the point of more threads than cores?
...read spends most of its time polling this, checking on that, conditionally calling routines as needed, and it becomes hard to see anything but a morass of minutiae.
Contrast this with the case where you can dedicate threads to tasks so that, looking at any individual thread, you can see what that t...
What format string do I use for milliseconds in date strings on iPhone?
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The Date Format Patterns guide suggests that "S" is the format specifier for fractions of seconds.
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iOS: Access app-info.plist variables in code
... version number now has two attributes in the info.plist - but you get the idea? If you view your info.plist as source code (right click the info.plist - select Open As) then you will get to see all the various key names you can use.
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Responsive website zoomed out to full width on mobile
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Add this to your HTML head..
<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
This tells smaller device browsers how to scale the page. You can read more about this here: https://developer.apple.com/library/content/documentation/AppleApplicatio...
How to change column datatype from character to numeric in PostgreSQL 8.4
...s an assignment cast from old data type to new. A USING clause must be provided if there is no implicit or assignment cast from old to new type.
So this might work (depending on your data):
alter table presales alter column code type numeric(10,0) using code::numeric;
-- Or if you prefer standard...
pandas: multiple conditions while indexing data frame - unexpected behavior
...nswered Nov 27 '16 at 21:21
CONvid19CONvid19
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How to pass the -D System properties while testing on Eclipse?
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where is this if you are trying to run an android application?
– user678392
Sep 28 '13 at 23:17
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How to get the max of two values in MySQL?
... so that i can get values for a cirtain column
– Junaid Qadir
Jul 13 '13 at 16:11
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How to avoid warning when introducing NAs by coercion
... prefer to code R so that I don't get warnings, but I don't know how to avoid getting a warning when using as.numeric to convert a character vector.
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What is Python buffer type for?
...nk buffers are e.g. useful when interfacing python to native libraries. (Guido van Rossum explains buffer in this mailinglist post).
For example, numpy seems to use buffer for efficient data storage:
import numpy
a = numpy.ndarray(1000000)
the a.data is a:
<read-write buffer for 0x1d7b410, s...