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Using bitwise OR 0 to floor a number
...o 32bit signed scope.
To summarize:
Bitwise works the same if you work from 0 to 2147483647.
Bitwise is 1 number off if you work from -2147483647 to 0.
Bitwise is completely different for numbers less than -2147483648 and greater than 2147483647.
If you really want to tweak performance and use...
.bashrc/.profile is not loaded on new tmux session (or window) — why?
...ve any idea why is this happening? I suddenly noticed this after upgrading from Ubuntu 16.04 to 18.04.2. This is the only difference I can think of. Also, I noticed that some of the configurations broke and I had to comply to some new syntax (seems like tmux got updated as well, but I don't remember...
Linux bash: Multiple variable assignment
...cho is pointless, but I was using this technique to return multiple values from a script that I did care about the return status. I thought I would share my findings.
– Lee Netherton
Oct 22 '15 at 11:26
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mkdir's “-p” option
... directory.
d (delete)
Allows one to remove files and sub-directories from a directory.
a (administer)
Allows one to change a directory's ACL. The owner of a directory can always change the ACL of a directory that s/he owns, along with the ACLs of any subdirectories in that directory.
Fi...
How can I read and parse CSV files in C++?
...Library (StrTk) has a token grid class that allows you to load data either from text files, strings or char buffers, and to parse/process them in a row-column fashion.
You can specify the row delimiters and column delimiters or just use the defaults.
void foo()
{
std::string data = "1,2,3,4,5\n...
Git - working on wrong branch - how to copy changes to existing topic branch
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how can i "get rid" of them from the master branch.. to leave that clean?
– Alex
May 11 '11 at 12:30
7
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Golang: How to pad a number with zeros when printing?
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Use the Printf function from the fmt package with a width of 6 and the padding character 0:
import "fmt"
fmt.Printf("%06d", 12) // Prints to stdout '000012'
Setting the width works by putting an integer directly preceeding the format specifier ('...
What is “Service Include” in a csproj file for?
...project, but forget to tag it as test project, as described in this answer from Microsoft:
This behavior is intentional.
To support third-party test frameworks, like NUnit and XUnit, Visual Studio 2012 loaded Test Explorer on solution open, regardless of whether it contained test projects. This add...
What's the difference between String(value) vs value.toString()
...n would be roughly equivalent to:
value + '';
The type conversion rules from Object-to-Primitive are detailed described on the specification, the [[DefaultValue]] internal operation.
Briefly summarized, when converting from Object-to-String, the following steps are taken:
If available, execute...
Private properties in JavaScript ES6 classes
...t in TypeScript. Private members are not compiled in private or read-only (from outside). Just declared like another (public) property. (ES5).
– Dominik
Feb 5 '19 at 9:49
1
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