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How do I convert a string to enum in TypeScript?
...num / number
var color : Color = Color[green];
Try it online
I have documention about this and other Enum patterns in my OSS book : https://basarat.gitbook.io/typescript/type-system/enums
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python exception message capturing
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repr(e) gives you the exception(and the message string); str(e) only gives the message string.
– whitebeard
Jul 30 '16 at 11:28
11
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How to update a menu item shown in the ActionBar?
I have an Activity that has 2 fragments. Both are ListFragments and both contribute MenuItems to the Menu. I have one MenuItem that I've set the attribute android:showAsAction to have it show as a button on the ActionBar. Which works fine.
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iOS: How to store username/password within an app?
I have a login-screen in my iOS app.
The username and password will be saved in the NSUserDefaults and be loaded into the login-screen again when you enter the app again (of course, NSUserDefaults are permanent).
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Which version of PostgreSQL am I running?
I'm in a corporate environment (running Debian Linux) and didn't install it myself. I access the databases using Navicat or phpPgAdmin (if that helps). I also don't have shell access to the server running the database.
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How to write file if parent folder doesn't exist?
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Use mkdirp in combination with path.dirname first.
var mkdirp = require('mkdirp');
var fs = require('fs');
var getDirName = require('path').dirname;
function writeFile(path, contents, cb) {
mkdirp(getDirName(path), function (err) {
if (err) return cb(err);
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How do you send a HEAD HTTP request in Python 2?
...ying to do here is get the headers of a given URL so I can determine the MIME type. I want to be able to see if http://somedomain/foo/ will return an HTML document or a JPEG image for example. Thus, I need to figure out how to send a HEAD request so that I can read the MIME type without having to ...
Does a finally block always run?
... @Jason Coco: Terminating (as upon loss of power) is not quite the same thing as exiting; the latter is a more or less organized process culminating in the former. ;p
– user359996
Oct 13 '10 at 6:42
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Reading/parsing Excel (xls) files with Python
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I highly recommend xlrd for reading .xls files.
voyager mentioned the use of COM automation. Having done this myself a few years ago, be warned that doing this is a real PITA. The number of caveats is huge and the documentation is lacking...
How to source virtualenv activate in a Bash script
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Your alias idea worked nicely for me too. Just a note: I had to put it (alias abcdef="source .../bin/activate") in my .zshrc script (or .bashrc for the bash users) for it to work.
– shahins
Aug 6 '16 at 21:15
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