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Removing duplicates from a list of lists
...ian, depending on one's apps), performing possibly-heuristic checks at the start to pick different algorithms depending on input data characteristics, and so forth.
Careful measurements of "point" performance (code A vs code B for a specific input) are a part of this extremely costly process, and s...
How do I set $PATH such that `ssh user@host command` works?
...ou're having has to do with the default Ubuntu ~/.bashrc file. It usually starts with something like this:
# If not running interactively, don't do anything
[ -z "$PS1" ] && return
You want to put anything for non-interactive shells before this line.
...
jquery find closest previous sibling with class
... Does this mean :first is working on a list of returned elements that starts closest to the selected object (as opposed to top to bottom relative to the page)?
– NReilingh
Mar 10 '13 at 0:41
...
Python argparse: How to insert newline in the help text?
....HelpFormatter):
def _split_lines(self, text, width):
if text.startswith('R|'):
return text[2:].splitlines()
# this is the RawTextHelpFormatter._split_lines
return argparse.HelpFormatter._split_lines(self, text, width)
And use it:
from argparse import Ar...
Using reflect, how do you set the value of a struct field?
...() {
type t struct {
N int
}
var n = t{42}
// N at start
fmt.Println(n.N)
// pointer to struct - addressable
ps := reflect.ValueOf(&n)
// struct
s := ps.Elem()
if s.Kind() == reflect.Struct {
// exported field
f := s.FieldByName("N"...
Why does GitHub recommend HTTPS over SSH?
...
I think that https makes it easier for people to get started since you don't have to do the whole generate/copy/paste ssh key business. Also it could be viewed as more secure from Github's perspective since an attacker who got your ssh password (or found a computer terminal yo...
SQLite UPSERT / UPDATE OR INSERT
...
This is a late answer. Starting from SQLIte 3.24.0, released on June 4, 2018, there is finally a support for UPSERT clause following PostgreSQL syntax.
INSERT INTO players (user_name, age)
VALUES('steven', 32)
ON CONFLICT(user_name)
DO UPD...
Why does overflow:hidden not work in a ?
...ing the inline styles and using external css instead, but this should be a start.
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DataContractSerializer doesn't call my constructor?
... You might want to try [OnDeserializing], which happens before it starts populating the object
– Marc Gravell♦
Sep 18 at 11:48
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Reading Xml with XmlReader in C#
...m.
using (XmlReader reader = XmlReader.Create(inputUrl))
{
reader.ReadStartElement("theRootElement");
while (reader.Name == "TheNodeIWant")
{
XElement el = (XElement) XNode.ReadFrom(reader);
}
reader.ReadEndElement();
}
This takes care of "a read too far" problem bec...