Tutorial by Examples: u

JavaScript supports several types of group in it's Regular Expressions, capture groups, non-capture groups and look-aheads. Currently, there is no look-behind support. Capture Sometimes the desired match relies on it's context. This means a simple RegExp will over-find the piece of the String that...

Use itertools.chain to create a single generator which will yield the values from several generators in sequence. from itertools import chain a = (x for x in ['1', '2', '3', '4']) b = (x for x in ['x', 'y', 'z']) ' '.join(chain(a, b)) Results in: '1 2 3 4 x y z' As an alternate constructo...

import std.stdio; T min(T)(in T arg1, in T arg2) { return arg1 < arg2 ? arg1 : arg2; } void main() { //Automatic type inference writeln(min(1, 2)); //Explicit type writeln(min!(ubyte)(1, 2)); //With single type, the parenthesis might be ommited ...

package main import ( "fmt" "net/http" "os" "text/template" ) var requestTemplate string = ` {{range $i, $url := .URLs}} {{ $url }} {{(status_code $url)}} {{ end }}` type Requests struct { URLs []string } func main() {...

You can check for syntax errors and referenced files in an NGINX configuration file before running it with: nginx -t Alternatively you can run service script service nginx configtest While both of these commands will tell you if your new nginx configuration is ok [without killing your curren...

nginx -c <file name> Start NGINX with an explicit configuration file.

template< class Iterator > bool next_permutation( Iterator first, Iterator last ); template< class Iterator, class Compare > bool next_permutation( Iterator first, Iterator last, Compare cmpFun ); Effects: Sift the data sequence of the range [first, last) into the next lexicograph...

A condition variable is a primitive used in conjunction with a mutex to orchestrate communication between threads. While it is neither the exclusive or most efficient way to accomplish this, it can be among the simplest to those familiar with the pattern. One waits on a std::condition_variable with...

java -jar [Path to client JAR] -s [Server address] install-plugin [Plugin ID] The client JAR must be the CLI JAR file, not the same JAR/WAR that runs Jenkins itself. Unique IDs can be found on a plugins respective page on the Jenkins CLI wiki (https://wiki.jenkins-ci.org/display/JENKINS/Plugins) ...

Highcharts.setOptions({ lang: { loading: 'Aguarde...', months: ['Janeiro', 'Fevereiro', 'Março', 'Abril', 'Maio', 'Junho', 'Julho', 'Agosto', 'Setembro', 'Outubro', 'Novembro', 'Dezembro'], weekdays: ['Domingo', 'Segunda', 'Terça', 'Quarta', 'Quinta', 'Sex...

Highcharts.setOptions({ lang: { loading: 'Загрузка...', months: ['Январь', 'Февраль', 'Март', 'Апрель', 'Май', 'Июнь', 'Июль', 'Август', 'Сентябрь', 'Октябрь', 'Ноябрь', 'Декабрь'], weekdays: ['Воскресенье', 'Понедельник', 'Вторник', 'Среда', 'Четверг', 'П...

Highcharts.setOptions({ lang: { loading: 'Wordt geladen...', months: ['januari', 'februari', 'maart', 'april', 'mei', 'juni', 'juli', 'augustus', 'september', 'oktober', 'november', 'december'], weekdays: ['zondag', 'maandag', 'dinsdag', 'woensdag', 'donde...

Highcharts.setOptions({ lang: { loading: 'Yükleniyor...', months: ['Ocak', 'Şubat', 'Mart', 'Nisan', 'Mayıs', 'Haziran', 'Temmuz', 'Ağustos', 'Eylül', 'Ekim', 'Kasım', 'Aralık'], weekdays: ['Pazar', 'Pazartesi', 'Salı', 'Çarşamba', 'Perşembe', 'Cuma', 'Cum...

Highcharts.setOptions({ lang: { loading: 'Betöltés...', months: ['január', 'február', 'március', 'április', 'május','június', 'július', 'augusztus', 'szeptember', 'október', 'november', 'december'], shortMonths: ['jan', 'febr', 'márc', 'ápr', 'má...

An XML document can contain a DTD. DTD stands for Document Type Declaration. A DTD begins with <!DOCTYPE root-element-name > where doc-element-name must match the name of the so-called document element (the one element at the top-level). <?xml version="1.0"?> <!DOCTYPE doc...

To view line numbers from Default view enter :set number To hide line numbers :set nonumber There is also a shortcut for above. nu is same as number. :set nonu To hide line numbers, we can also use :set nu!

int main (void) { const int foo_readonly = 10; int *foo_ptr; foo_ptr = (int *)&foo_readonly; /* (1) This casts away the const qualifier */ *foo_ptr = 20; /* This is undefined behavior */ return 0; } Quoting ISO/IEC 9899:201x, section 6.7.3 §2: If an attempt i...

Add-ons: Firefox add-ons are generally grouped into Extensions, and then "other types" of Firefox add-ons. Extensions Extensions allow Firefox to be customized by adding to or modifying the functionality of Firefox. Some of the types of things which can be done with extensions include:...

@Test public void testUpNavigation() { intending(hasComponent(ParentActivity.class.getName())).respondWith(new Instrumentation.ActivityResult(0, null)); onView(withContentDescription("Navigate up")).perform(click()); intended(hasComponent(ParentActivity.class.getName())...

installing npm install web-component-tester --save-dev setting up wct.conf.js module.exports = { verbose: true, plugins: { local: { browsers: ['chrome'] } } }; running node node_modules/web-component-tester/bin/wct test/index.html <html...