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How to send commands when opening a tmux session inside another tmux session?
... you are commonly dealing with multiple layers of tmux. If you can spare som>me m> other key, you could make a non-prefixed binding to make things (possibly) easier to type:
bind-key -n C-\ send-prefix
bind-key -n C-^ send-prefix \; send-prefix
Create new window in second-level tmux: C-\ c
Create new ...
how does array[100] = {0} set the entire array to 0?
...ction 6.7.8.21 of the C specification (online draft of C spec): for the elem>me m>nts that don't have a specified value, the compiler initializes pointers to NULL and arithm>me m>tic types to zero (and recursively applies this to aggregates).
The behavior of this code in C++ is described in section 8.5.1.7 ...
Tim>me m> complexity of Sieve of Eratosthenes algorithm
...-bound is n(1/2 + 1/3 + 1/5 + 1/7 + …), that is sum of reciprocals of prim>me m>s up to n, which is O(n log log n). (See here or here.)
The "find the next prim>me m> number" bit is only O(n) overall, amortized — you will move ahead to find the next number only n tim>me m>s in total, not per step. So this whol...
Getting URL hash location, and using it in jQuery
...acks. For more detail, see the discussion of the possible attack in the comm>me m>nts on this answer or this explanation on Security Stack Exchange.
You can use the location.hash property to grab the hash of the current page:
var hash = window.location.hash;
$('ul'+hash+':first').show();
Note that t...
Programmatically change log level in Log4j2
...nging the log level in Log4j2. I tried looking at their configuration docum>me m>ntation but that didn't seem to have anything. I also tried looking in the package: org.apache.logging.log4j.core.config , but nothing in there looked helpful either.
...
When splitting an empty string in Python, why does split() return an empty list while split('\n') re
...eturns empty list [], while ''.split('\n') returns [''].
The str.split() m>me m>thod has two algorithms. If no argum>me m>nts are given, it splits on repeated runs of whitespace. However, if an argum>me m>nt is given, it is treated as a single delimiter with no repeated runs.
In the case of splitting an empty...
How to import a Python class that is in a directory above?
...on docs: When inside a package hierarchy, use two dots, as the import statem>me m>nt doc says:
When specifying what module to import you do not have to specify the absolute nam>me m> of the module. When a module or package is contained within another package it is possible to make a relative import within...
Understanding garbage collection in .NET
...ff, the jitter performs two important duties when it compiles the IL for a m>me m>thod into machine code. The first one is very visible in the debugger, you can see the machine code with the Debug + Windows + Disassembly window. The second duty is however completely invisible. It also generates a tabl...
What is App.config in C#.NET? How to use it?
...tion sections. A "configuration section" is a snippet of XML with a schema m>me m>ant to store som>me m> type of information.
Overview (MSDN)
Connection String Configuration (MSDN)
Settings can be configured using built-in configuration sections such as connectionStrings or appSettings. You can add your o...
git - m>me m>rge conflict when local is deleted but file exists in remote
I am very new to git and wondered how I should go about a m>me m>rge where in the local repo I have deleted several files on the master branch but these files exist within the remote master branch.
...