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R object identification
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I usually start out with some combination of:
typeof(obj)
class(obj)
sapply(obj, class)
sapply(obj, attributes)
attributes(obj)
names(obj)
as appropriate based on what's revealed. For example, try with:
obj <- data.frame(a=1:26...
Is it possible to create a remote repo on GitHub from the CLI without opening browser?
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To make the repo private from the start, use: curl -u 'USER' https://api.github.com/user/repos -d '{"name":"REPO", "private":"true"}'
– Joe Fletcher
Mar 21 '13 at 4:05
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How to randomize (shuffle) a JavaScript array?
... optimal efficiency, ensuring the random pick is simplified (it can always start at 0), and thereby skipping the final element.
Algorithm runtime is O(n). Note that the shuffle is done in-place so if you don't want to modify the original array, first make a copy of it with .slice(0).
EDIT: Updat...
Multiple file upload in php
...ding:
<html>
<title>Upload</title>
<?php
session_start();
$target=$_POST['directory'];
if($target[strlen($target)-1]!='/')
$target=$target.'/';
$count=0;
foreach ($_FILES['file']['name'] as $filename)
{
...
Manually map column names with class properties
...rifying! And a big thank you for Dapper, a wonderful micro ORM that I just started using for a tiny project along with Npgsql on ASP.NET Core!
– victorvartan
Aug 11 '16 at 12:01
2
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How to detect responsive breakpoints of Twitter Bootstrap 3 using JavaScript?
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var fullDateString = new Date();
Once you're equipped with it, you can start listening for changes and execute breakpoint-specific functions like so:
$(window).resize(function () {
waitForFinalEvent(function(){
if( isBreakpoint('xs') ) {
$('.someClass').css('property', ...
How can I ask the Selenium-WebDriver to wait for few seconds in Java?
...nditions (see below) return true but the next page (e.g., home.jsp) hasn't started loading yet.
This is a generic wait method that takes a list of ExpectedConditions.
public boolean waitForPageLoad(int waitTimeInSec, ExpectedCondition<Boolean>... conditions) {
boolean isLoaded = false;...
Array versus List: When to use which?
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@Konrad - well, for starters, Stream.Read and Stream.Write work with byte[], as does Encoding etc...
– Marc Gravell♦
Jan 12 '09 at 8:37
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Specify JDK for Maven to use
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This is just the starting point, but not the solution. This is the requirement for the maven compiler plugin to compile for 1.7. And then the trick is to make maven really capable of compiling for 1.7, which is not so trivial if your current ...
Login failed for user 'DOMAIN\MACHINENAME$'
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Thank you very much. This problem started for me after upgrading my local dev environment from SQL Server 2014 to 2017. Your suggestion was the silver bullet in this situation.
– MFry
Jul 17 '18 at 14:48
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