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Postgres and Indexes on Foreign Keys and Primary Keys
...- or a bad index
WITH fk_actions ( code, action ) AS (
VALUES ( 'a', 'error' ),
( 'r', 'restrict' ),
( 'c', 'cascade' ),
( 'n', 'set null' ),
( 'd', 'set default' )
),
fk_list AS (
SELECT pg_constraint.oid as fkoid, conrelid, confrelid as parentid,
co...
@RequestBody and @ResponseBody annotations in Spring
... used the @ResponseBody annotation on the parameter, not the method. I get errors trying to put it on the method, so I'm assuming your other answer is correct. I think you should have getDescription(@RequestBody UserStats stats) above.
– Patrick
Aug 22 '13 at 1...
Perl flags -pe, -pi, -p, -w, -d, -i, -t?
...s certain "tainted" (dubious) code as warnings (proper
taint mode will error on this dubious code). Used to beef
up Perl security, especially when running code for other
users, such as setuid scripts or web stuff.
...
How do you load custom UITableViewCells from Xib files?
...he owner. But you don't have those properties defined there, so you get an error about being key value coding-compliant:
*** Terminating app due to uncaught exception 'NSUnknownKeyException', reason: '[<MyUITableViewController 0x6a383b0> setValue:forUndefinedKey:]: this class is not key v...
When to use references vs. pointers
...think it's clear that language-level enforcement is more powerful and less error-prone than documentation-level enforcement. Some will try to retort to this by saying: "Look, null reference: int& i = *((int*)0);. This isn't a valid retort. The issue in the previous code lies with the pointer use...
Where to place $PATH variable assertions in zsh?
...sh terminal command was working correctly but zsh showed command not found error)
Solution:
just paste whatever you were earlier pasting in ~/.bashrc to:
~/.zshrc
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Inheritance and Overriding __init__ in python
...cal completeness, some classes, like threading.Thread, will throw gigantic errors if you ever try to avoid calling the parent's init.
– David Berger
Apr 15 '09 at 21:39
5
...
How do I programmatically shut down an instance of ExpressJS for testing?
...his still true? express.createServer is marks as deprecated, and gives an error saying app no longer inherits from http.js's server
– Frank Schwieterman
May 28 '13 at 21:32
4
...
Enabling HTTPS on express.js
...hen any request come from http it gives “This site can’t be reached” error in client browser. And we loss our website traffic. So we must redirect http request to https, same rules allow for websocket otherwise socket will fails.
So we need to run same server on port 80 (http), and divert all...
In C#, how do I calculate someone's age based on a DateTime type birthday?
...tively without all the type conversion in the form of an extension method. Error checking omitted:
public static Int32 GetAge(this DateTime dateOfBirth)
{
var today = DateTime.Today;
var a = (today.Year * 100 + today.Month) * 100 + today.Day;
var b = (dateOfBirth.Year * 100 + dateOfBir...