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Conveniently Declaring Compile-Time Strings in C++
...ng to match the elegance of Scott Schurr's str_const presented at C++ Now 2012. It does require constexpr though.
Here's how you can use it, and what it can do:
int
main()
{
constexpr str_const my_string = "Hello, world!";
static_assert(my_string.size() == 13, "");
static_assert(my_st...
Best explanation for languages without null
... let middleLen = match p.MiddleName with
| None -> 0
| Some(s) -> s.Length
p.FirstName.Length + middleLen + p.LastName.Length
with no worries. In contrast, in a language with nullable references for types like string, then assuming
class Person
...
How to use Elasticsearch with MongoDB?
...to index MongoDB for use in a NodeJS, Express app on a fresh EC2 Ubuntu 14.04 instance.
Make sure everything is up to date.
sudo apt-get update
Install NodeJS.
sudo apt-get install nodejs
sudo apt-get install npm
Install MongoDB - These steps are straight from MongoDB docs.
Choose whatever ve...
Use a URL to link to a Google map with a marker on it
...
In May 2017 Google launched the official Google Maps URLs documentation. The Google Maps URLs introduces universal cross-platform syntax that you can use in your applications.
Have a look at the following document:
https://develope...
Cannot kill Python script with Ctrl-C
... |
edited Feb 1 '14 at 9:01
vahid abdi
7,39244 gold badges2626 silver badges3333 bronze badges
answered...
How do I get the filepath for a class in Python?
...
|
edited Mar 30 '09 at 17:03
answered Mar 30 '09 at 14:14
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vim and NERD Tree extension - adding a file
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answered Sep 22 '09 at 14:13
innaMinnaM
45.7k44 gold badges6262 silver badges8484 bronze badges
...
How can I convert a string to upper- or lower-case with XSLT?
...
In XSLT 1.0 the upper-case() and lower-case() functions are not available.
If you're using a 1.0 stylesheet the common method of case conversion is translate():
<xsl:variable name="lowercase" select="'abcdefghijklmnopqrstuvwxyz'"...
How to rotate the background image in the container?
...
#myelement:before
{
content: "";
position: absolute;
width: 200%;
height: 200%;
top: -50%;
left: -50%;
z-index: -1;
background: url(background.png) 0 0 repeat;
-webkit-transform: rotate(30deg);
-moz-transform: rotate(30deg);
-ms-transform: rotate(30deg);...
Android - custom UI with custom attributes
...es/values/attrs.xml, with the attribute and it's type
<?xml version="1.0" encoding="UTF-8"?>
<resources>
<declare-styleable name="MyCustomElement">
<attr name="distanceExample" format="dimension"/>
</declare-styleable>
</resources>
Basically you...