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Favorite (Clever) Defensive Programming Best Practices [closed]
...t errors.
Currently, I prefer avoiding defensive programming in favor of Test Driven Development. If you catch errors quickly and externally, you don't need to muddy-up your code with defensive maneuvers, your code is DRY-er and you wind-up with fewer errors that you have to defend against.
As W...
Capture HTML Canvas as gif/jpg/png/pdf?
...avigate to an image with a green square in the middle of it, but I haven't tested.
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How to create a new database after initally installing oracle database 11g Express Edition?
... (xe).
In the New/Select Database Connection window, click the button Test.
The connection is tested. If the connection succeeds, the Status
indicator changes from blank to Success.
Description of the illustration success.gif
If the test succeeded, click the button Connect.
...
How to get the instance id from within an ec2 instance?
...documentation on the subject.
Run:
wget -q -O - http://169.254.169.254/latest/meta-data/instance-id
If you need programatic access to the instance ID from within a script,
die() { status=$1; shift; echo "FATAL: $*"; exit $status; }
EC2_INSTANCE_ID="`wget -q -O - http://169.254.169.254/latest/me...
How to convert a PIL Image into a numpy array?
...
Open I as an array:
>>> I = numpy.asarray(PIL.Image.open('test.jpg'))
Do some stuff to I, then, convert it back to an image:
>>> im = PIL.Image.fromarray(numpy.uint8(I))
Filter numpy images with FFT, Python
If you want to do it explicitly for some reason, there are pi...
Detecting when a div's height changes using jQuery
... demo http://jsfiddle.net/aD49d/
$(function () {
var prevHeight = $('#test').height();
$('#test').attrchange({
callback: function (e) {
var curHeight = $(this).height();
if (prevHeight !== curHeight) {
$('#logger').text('height chan...
configure Git to accept a particular self-signed server certificate for a particular https remote
...IdVQIKvHok2P/u9tvTUQA==
-----END CERTIFICATE-----
This shall work (but I tested it only with single certificate).
Configure git to trust this certificate
$ git config --global http.sslCAInfo /home/javl/git-certs/cert.pem
You may also try to do that system wide, using --system instead of --glob...
How do I handle newlines in JSON?
...thing like .replace("\n", "\\n") should do the job fine!! For example, var test = [{"description":"Some description about the product. This can be multi-line text."}]; console.log(JSON.parse(test.replace(/\n/g, "\\n"))); will output the object perfectly fine to browser console as [{"description":"S...
Is JavaScript a pass-by-reference or pass-by-value language?
...d';
var string2 = 'Goodbye world';
Again, we pick a favorite.
var favoriteString = string1;
Both our favoriteString and string1 variables are assigned to 'Hello world'. Now, what if we want to change our favoriteString??? What will happen???
favoriteString = 'Hello everyone';
console.log(favor...
What is the best way to iterate over a dictionary?
..., remember: using System.Linq; This is not incluted in fx. auto generated test classes.
– Tinia
Nov 24 '11 at 14:47
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