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How to write very long string that conforms with PEP8 and prevent E501
...ng of your example.
Personally I don't like the backslashes, and I recall reading somewhere that its use is actually deprecated in favor of this form which is more explicit. Remember "Explicit is better than implicit."
I consider the backslash to be less clear and less useful because this is actua...
What is Inversion of Control?
...r example, in an old school menu, you might have:
print "enter your name"
read name
print "enter your address"
read address
etc...
store in database
thereby controlling the flow of user interaction.
In a GUI program or somesuch, instead we say:
when the user types in field a, store it in NAME
w...
Is there a command to refresh environment variables from the command prompt in Windows?
...directs/RefreshEnv.cmd
@echo off
::
:: RefreshEnv.cmd
::
:: Batch file to read environment variables from registry and
:: set session variables to these values.
::
:: With this batch file, there should be no need to reload command
:: environment every time you want environment changes to propagate
...
File path to resource in our war/WEB-INF folder?
I've got a file in my war/WEB-INF folder of my app engine project. I read in the FAQs that you can read a file from there in a servlet context. I don't know how to form the path to the resource though:
...
Delegates in swift?
... you don't want to do yourself.
I wrote a little story to illustrate this. Read it in a Playground if you like.
Once upon a time...
// MARK: Background to the story
// A protocol is like a list of rules that need to be followed.
protocol OlderSiblingDelegate: class {
// The following command (i...
Android, ListView IllegalStateException: “The content of the adapter has changed but ListView did no
What I want to do : run a background thread which calculates ListView contents and update ListView partially, while results are calculated.
...
How can I get a user's media from Instagram without authenticating as a user?
...ng. Why would they force an access token just to display images that are already public? I'm hardly trying to rinse them for every user in the world, I just want to display a client's latest insta without having to spend hours messing with it. Gah!
– Matt Fletcher
...
Redirect stderr and stdout in Bash
... interpreted as running the command in background. Also the format is more readable 2 (is STDERR) redirected to 1 (STDOUT).
EDIT: changed the order as pointed out in the comments
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Is there a cross-domain iframe height auto-resizer that works?
...and a Flash based solution as fallback for older browsers.
See also this thread on Stackoverflow (there are also others, this is a commonly asked question). Also, Facebook would seem to use a similar approach.
3. Communicate via a server
Another option would be to send the iframe height to your serv...
Null coalescing in powershell
...ht also consider wrapping it in a very simple function to make things more readable:
function Coalesce($a, $b) { if ($a -ne $null) { $a } else { $b } }
$s = Coalesce $myval "new value"
or possibly as, IfNull:
function IfNull($a, $b, $c) { if ($a -eq $null) { $b } else { $c } }
$s = IfNull $myv...