HeyRai | Blogging Website

bash, shell, date, date-formatting, strftime

2117569

YYYY-MM-DD format date in shell script

1547 18

2009-09-09

r, join, merge, dataframe, r-faq

1843059

How to join (merge) data frames (inner, outer, left, right)

1547 14

2009-08-19

javascript, syntax

1715606

How do I convert a float number to a whole number in JavaScript?

1549 18

2009-02-27

javascript, json

1963893

What is the "right" JSON date format?

1550 16

2012-04-23

windows, git, gitignore, git-bash, msysgit

1862452

Ignoring directories in Git repositories on Windows

1551 21

2008-12-05

git

1354122

How do I delete unpushed git commits?

1552 7

2010-07-07

language-agnostic, bit-manipulation, operators, bit-shift, binary-operators

894902

What are bitwise shift (bit-shift) operators and how do they work?

1553 11

2008-09-26

python, args, keyword-argument

930392

Use of *args and **kwargs

1559 11

2010-08-03

javascript, node.js, environment-variables

932686

Read environment variables in Node.js

1561 11

2011-02-02

javascript, node.js

528225

What is the purpose of Node.js module.exports and how do you use it?

1562 13

2011-03-15

python, oop, inheritance, types

894736

What are the differences between type() and isinstance()?

1562 8

2009-10-11

javascript, arrays, multidimensional-array, merge, flatten

1293484

Merge/flatten an array of arrays

1566 88

2012-06-02

oop, interface, abstract-class

796466

Interface vs Abstract Class (general OO)

1566 34

2009-04-17

javascript, operators, null-coalescing-operator, null-coalescing

473343

Is there a "null coalescing" operator in JavaScript?

1567 19

2009-01-24

http, http-headers

612183

Custom HTTP headers : naming conventions

1568 6

2010-08-24

c#, oop, properties, field

723036

What is the difference between a field and a property?

1568 33

2008-11-17

css, css-position, absolute

2004104

How can I center an absolutely positioned element in a div?

1570 39

2009-11-21

git, github, git-tag

1672876

Create a tag in a GitHub repository

1571 10

2013-08-13

image-processing, wolfram-mathematica

282258

How do I find Waldo with Mathematica?

1571 5

2011-12-12

linux, pdf, merge, command-line-interface

1182666

Merge / convert multiple PDF files into one PDF

1571 23

2010-03-24

c#, .net, vb.net, data-structures

611906

Why is Dictionary preferred over Hashtable in C#?

1571 19

2008-11-19

php, http-redirect, http-status-code-301

3874449

How do I make a redirect in PHP?

1582 34

2009-04-20

ruby-on-rails, ruby-on-rails-3, migration, rename, alter-table

633839

How can I rename a database column in a Ruby on Rails migration?

1583 32

2010-01-02

python, dictionary, list-comprehension, dictionary-comprehension

1196321

Create a dictionary with comprehension

1584 17

2009-11-17

unix, ssh, passwords, openssh, passphrase

744150

How do I remove the passphrase for the SSH key without having to create a new key?

1584 11

2008-09-21

c++, graph, cycle, assertions, family-tree

292198

Cycles in family tree software

1585 18

2011-05-28

html, css, vertical-alignment

2380129

How do I vertically align text in a div?

1585 36

2010-05-30

python, string, integer

3832973

Convert integer to string in Python

1585 14

2009-06-07

java, arrays, concatenation, addition

1384334

How can I concatenate two arrays in Java?

1586 66

2008-09-17

android, build.gradle, buildconfig

926339

How can you get the build/version number of your Android application?

1592 39

2011-01-06

asp.net, asp.net-mvc, validation, html-encode, request.form

1175496

A potentially dangerous Request.Form value was detected from the client

1592 48

2008-09-17

git, git-rebase, cherry-pick

1162275

How to cherry-pick multiple commits

1594 18

2009-11-04

android-studio, android-assets

721248

Where to place the 'assets' folder in Android Studio?

1598 26

2013-08-18

node.js, query-string, express

1943502

How to get GET (query string) variables in Express.js on Node.js?

1598 27

2011-08-02

c#, .net, multithreading, winforms, user-interface

843002

How do I update the GUI from another thread?

1599 47

2009-03-19

javascript, jquery, arrays

2978268

How to find the sum of an array of numbers

1600 61

2009-08-04

sql, database, tree, relational-database, hierarchical-data

341145

What are the options for storing hierarchical data in a relational database?

1604 8

2010-10-29

c#, constants

489091

'Static readonly' vs. 'const'

1604 22

2009-04-16

ios, xcode, ios9, ios10, app-transport-security

969391

Transport security has blocked a cleartext HTTP

1606 31

2015-07-06

python, printing, flush, output-buffering

1143642

How can I flush the output of the print function?

1608 14

2008-10-23

javascript, date

1311292

Get the current year in JavaScript

1609 13

2011-05-14

javascript, cross-domain, cors

2639461

How does the 'Access-Control-Allow-Origin' header work?

1610 20

2012-05-17

vim, comments

1498715

What's a quick way to comment/uncomment lines in Vim?

1610 55

2009-11-04

java, math, optimization, perfect-square

330410

Fastest way to determine if an integer's square root is an integer

1612 37

2008-11-17

ios, uitableview, autolayout, row-height

710240

Using Auto Layout in UITableView for dynamic cell layouts & variable row heights

1614 29

2013-09-11

java, nullpointerexception, null

355938

Is null check needed before calling instanceof?

1614 8

2010-06-01

visual-studio-code, configuration, vs-code-settings

857080

How can I have multiple vertical rulers in VS Code?

1615 13

2015-04-30

python, pypi, setup.py, python-packaging

1188532

What is setup.py?

1615 10

2009-09-24

git, git-stash

797994

Difference between git stash pop and git stash apply

1616 9

2013-03-08

python, directory

1630833

How do I check if a directory exists in Python?

1616 15

2012-01-19