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Adding 'serial' to existing column in Postgres
... have a small table (~30 rows) in my Postgres 9.0 database with an integer ID field (the primary key) which currently contains unique sequential integers starting at 1, but which was not created using the 'serial' keyword.
...
How to use mongoimport to import csv
...cting to: test
> use mydb
switched to db mydb
> db.things.find()
{ "_id" : ObjectId("4d32a36ed63d057130c08fca"), "Name" : "Jane Doe", "Address" : "123 Main St", "City" : "Whereverville", "State" : "CA", "ZIP" : 90210 }
{ "_id" : ObjectId("4d32a36ed63d057130c08fcb"), "Name" : "John Doe", "Addre...
How can I use Guzzle to send a POST request in JSON?
... @MichalGallovic It is the same. The purpose to use the constant is to avoid typos. Using a constant that does not exists will raise an error, but sending a useless option (as jsson for example) won't raise any error, and you may take some time to find your typo.
– zessx
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How to communicate between iframe and the parent site?
...actice, never use the '*' for your target. In fact, MDN says - "Always provide a specific targetOrigin, not *, if you know where the other window's document should be located. Failing to provide a specific target discloses the data you send to any interested malicious site."
– ...
Android Spinner : Avoid onItemSelected calls during initialization
I created an Android application with a Spinner and a TextView . I want to display the selected item from the Spinner's drop down list in the TextView. I implemented the Spinner in the onCreate method so when I'm running the program, it shows a value in the TextView (before selecting an item ...
How to select option in drop down protractorjs e2e tests
...lly wrote a helper function that selects dropdown values.
I eventually decided that I was fine selecting by option number, and therefore wrote a method that takes an element and the optionNumber, and selects that optionNumber. If the optionNumber is null it selects nothing (leaving the dropdown un...
Git diff says subproject is dirty
... For me, I had to go into each dirty submodule and run git clean -id.
– GDP2
Nov 13 '17 at 15:45
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Is it possible to use the SELECT INTO clause with UNION [ALL]?
...When we select all records it gives error as- "The ORDER BY clause is invalid in views, inline functions, derived tables, subqueries, and common table expressions, unless TOP or FOR XML is also specified. ". Please give some solution.
– ShaileshDev
Mar 21 '17 a...
How to list containers in Docker
...
To list all running and stopped containers, showing only their container id
docker ps -aq
To remove all containers that are NOT running
docker rm `docker ps -aq -f status=exited`
share
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impr...
How to properly add cross-site request forgery (CSRF) token using PHP
...ecurity code, please don't generate your tokens this way: $token = md5(uniqid(rand(), TRUE));
rand() is predictable
uniqid() only adds up to 29 bits of entropy
md5() doesn't add entropy, it just mixes it deterministically
Try this out:
Generating a CSRF Token
PHP 7
session_start();
if (empty(...