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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 {
...
PHP and Enumerations
...ract class DaysOfWeek
{
const Sunday = 0;
const Monday = 1;
// etc.
}
$today = DaysOfWeek::Sunday;
However, other use cases may require more validation of constants and values. Based on the comments below about reflection, and a few other notes, here's an expanded example which may be...
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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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 ...
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...
Get first day of week in PHP?
...mber from 0 to 6 representing the day of the week (Sunday = 0, Monday = 1, etc.).
$week_start contains the date for Sunday of the current week as mm-dd-yyyy.
$week_end contains the date for the Saturday of the current week as mm-dd-yyyy.
...
Schrödingers MySQL table: exists, yet it does not
... IDB file from another database but on the same server (same MySQL version etc...) and it seems to work gracefully.
– Pierre
Jan 13 '15 at 14:51
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