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Best Articles — Page 466

Finding Number of Cores in Java

java
multi-threading
performance
core-count

Right query to get the current number of connections in a PostgreSQL DB

sql
postgresql
database
connections

How can I replace (or strip) an extension from a filename in Python?

python
file-handling
pathlib
extensions

Do I need to return after early resolve/reject?

javascript
promises
error-handling
code-readability

Javascript get x and y coordinates on mouse click

javascript
mouse-event
event-handling
responsive-design

Checking if a key exists in a JavaScript object?

javascript
key-checks
hasownproperty
object

Change arrow colors in Bootstraps carousel

html
carousel
css
font-awesome

Cte error: "Types don't match between the anchor and the recursive part"

sql
data-types
casting
null-handling

Vertically align an image inside a div with responsive height

html
vertical-alignment
responsive-design
flexbox

Html - Display image after selecting filename

html
file-upload
user-experience
error-handling

Java string split with "." (dot)

java
string-split
regex
edge-cases

How can I group by datetime column without considering time

sql
grouping
datetime
performance

Sql order string as number

sql
string-sorting
performance
cte

How to get the first element of the List or Set?

java
collections
optional
error-handling

Get checkbox value in jQuery

javascript
checkbox
form-submission
dom-manipulation

Change the color of glyphicons to blue in some, but not in all, places using Bootstrap 2

html
css-specificity
bootstrap
custom-styles

How do I change the size of figures drawn with Matplotlib?

python
matplotlib
data-visualization
pandas

A quick and easy way to join array elements with a separator (the opposite of split) in Java

java
string-joining
utility-tools
best-practices

Reload an iframe with jQuery

javascript
iframe
user-experience
jquery

What's the Best Way to Break from Nested Loops in JavaScript?

javascript
nested-loops
break
array-methods