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How to avoid null checking in Java?
... if your method just passes the value on, and the next method passes it on etc. it could get problematic. In that case you may want to check the argument as above.
If null is allowed
This really depends. If find that I often do something like this:
if (object == null) {
// something
} else {
...
Handlebars/Mustache - Is there a built in way to loop through the properties of an object?
...e object "top level" and another not? what are "pre-defined" keys exactly? etc), so you might want to revisit these concepts.
– Jon
Feb 11 '14 at 9:42
1
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Where can I find the Java SDK in Linux after installing it?
...put like this:
lrwxrwxrwx 1 root root 22 Feb 9 10:59 /usr/bin/java -> /etc/alternatives/java
Third:
ls -l /etc/alternatives/java
output is the JDK pa
How to paste yanked text into the Vim command line
...een deleted goes to register 1, what was in register 1 goes to register 2, etc.),
" (default register, also known as unnamed register. This is where the " comes in Ctrl-R, "),
a to z for your own use (capitalized A to Z are for appending to corresponding registers).
_ (acts like /dev/null (Unix) or ...
How to check if element has any children in Javascript?
...t to know about child elements (as opposed to text nodes, attribute nodes, etc.) on all modern browsers (and IE8 — in fact, even IE6) you can do this: (thank you Florian!)
if (element.children.length > 0) { // Or just `if (element.children.length)`
// It has at least one element as a chil...
Can we delete an SMS in Android before it reaches the inbox?
...
@FelipeMicaroniLalli actually GO SMS PRO, etc... use 2147483647 for their priority
– rf43
Nov 3 '11 at 18:16
1
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Connecting to remote URL which requires authentication using Java
...ich will give you more authentication options (as well as session support, etc.)
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Spring Cache @Cacheable - not working while calling from another method of the same bean
... I the only one thinking this breaks patterns, looks like a singleton mix, etc etc?
– 2mia
Jul 30 '19 at 12:30
i used ...
Total width of element (including padding and border) in jQuery
...r-box". I just tested it, and it returns the inner width excluding padding etc. This may or may not be correct; different people may expect different things. So the code sample above actually works, but it may not be the most reliable way. As indicated in some other answers, I would recommend using ...
How to debug a Flask app
... well).
For Linux, Mac, Linux Subsystem for Windows, Git Bash on Windows, etc.:
export FLASK_APP=myapp
export FLASK_ENV=development
flask run
For Windows CMD, use set instead of export:
set FLASK_ENV=development
For PowerShell, use $env:
$env:FLASK_ENV = "development"
Prior to Flask 1.0, t...