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What is the purpose of using -pedantic in GCC/G++ compiler?
... the following 5.1.1.3p1:
A conforming implementation shall produce at least one diagnostic message (identified in an implementation-defined manner) if a preprocessing translation unit or translation unit contains a violation of any syntax rule or constraint, even if the behavior is also explici...
UTF-8, UTF-16, and UTF-32
... is a common and obvious choice. In almost all cases, it will also use the least memory. On the other hand, you can't make any guarantees about the width of a character. It may be 1, 2, 3 or 4 characters wide, which makes string manipulation difficult.
UTF-32 is opposite, it uses the most memory (e...
Precise Financial Calculation in JavaScript. What Are the Gotchas?
...And as a reminder, always round calculations to the cent, and do so in the least beneficial way to the consumer, I.E. If you're calculating tax, round up. If you're calculating interest earned, truncate.
– Josh
May 20 '10 at 18:20
...
Mercurial for Beginners: The Definitive Practical Guide
...inally, with a Windows version available just recently. Pretty nice UI (at least on OS X), supports majority of Hg features, including shelve.
Plugins
VisualHG for Visual Studio
HgSccPackage for Visual Studio 2008/2010
MercurialEclipse for Eclipse
Mercurial support for NetBeans
Mercurial support...
How can I replace a newline (\n) using sed?
...mand to add the Next line to the pattern space;
(2) use the 'H' command at least twice to append the current line
to the Hold space, and then retrieve the lines from the hold space
with x, g, or G; or (3) use address ranges (see section 3.3, above)
to match lines between two specified addresses.
Cho...
Java Delegates?
...ce event handling, and have been used to
implement a user-interface API at least as comprehensive as the
Windows Foundation Classes.
We believe bound method references are harmful because they detract
from the simplicity of the Java programming language and the
pervasively object-oriented character ...
Remove rows with duplicate indices (Pandas DataFrame and TimeSeries)
...le all the other methods work, the currently accepted answer is by far the least performant for the provided example. Furthermore, while the groupby method is only slightly less performant, I find the duplicated method to be more readable.
Using the sample data provided:
>>> %timeit df3.res...
Overloading Macro on Number of Arguments
... Note that on C++11, you'll get a warning: ISO C++11 requires at least one argument for the "..." in a variadic macro. To fix this, add an unused argument (or even just a comma) after the last param in the definition of FOO(...): #define FOO(...) GET_MACRO(__VA_ARGS__, FOO3, FOO2, UNUSED)(...
How do I completely uninstall Node.js, and reinstall from beginning (Mac OS X)
...
Whoa-- this is terrifying. At least the first "rm" isn't a "rm -rf", which, if there's a blank line on the outpur of sbom, would remove all of /usr/local. Before doing anything so heavyhanded, scrutinize the sbom output and where all these dirs came from ...
Understanding “randomness”
... @Trufa: Maybe this will help with part of the intuition, at least for sums. Imagine taking the "average" of one rolled die. Now imagine taking the average of two dice. Now one hundred. What happens to the chance of getting a one or a six for the average as you add more dice?
...