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Angular.js: How does $eval work and why is it different from vanilla eval?
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@Yappli $eval doesn't evaluate JavaScript; it evaluates AngularJS expressions, which are kind of like a safer subset of JavaScript. "{id: 'val'}" is a valid AngularJS expression and should return a valid JS object. See the link...
DatabaseError: current transaction is aborted, commands ignored until end of transaction block?
... seem to cause the most angst...
To sync your django db, from within your app directory, within terminal, type:
$ python manage.py syncdb
Edit: Note that if you are using django-south, running the '$ python manage.py migrate' command may also resolve this issue.
Happy coding!
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How do I create a custom iOS view class and instantiate multiple copies of it (in IB)?
I am currently making an app that will have multiple timers, which are basically all the same.
4 Answers
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What's the difference between Task.Start/Wait and Async/Await?
... windows messages, each one of which does a little bit of work? Now what happens? You return control to the message loop, it starts pulling messages out of the queue, doing a little bit of work each time, and the last job that's done is "execute the continuation of the task". No extra thread!
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Android: Test Push Notification online (Google Cloud Messaging) [closed]
I am implementing Google Cloud Messaging in my application. Server code is not ready yet and in my environment due to some firewall restrictions I can not deploy a test sever for push notification. What I am looking for is a online server which would send some test notifications to my device to test...
Can I make 'git diff' only the line numbers AND changed file names?
...his in git, with the help of an "external diff" script.
Here's a pretty crappy one; it will be up to you to fix up the output the way you would like it.
#! /bin/sh
#
# run this with:
# GIT_EXTERNAL_DIFF=<name of script> git diff ...
#
case $# in
1) "unmerged file $@, can't show you line n...
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...Tars框架，Tars 是将腾讯内部使用的微服务架构 TAF（Total Application Framework）多年的实践成果总结而成的开源项目，成熟度及稳定性高。支持多语言的高性能 RPC 开发框架和配套一体化的服务治理平台。
毫无疑问，微服务的核心框...
ASP MVC in IIS 7 results in: HTTP Error 403.14 - Forbidden
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Maybe it's useful to someone:
After converting my app to MVC 4 with .NET framework 4.5 and installing the framework on my server with IIS 7.0 I encountered the same 'forbidden' error mentioned in the question. I tried all options described above to no avail, when I noticed t...
Select DISTINCT individual columns in django?
...ee for yourself.
# The query would look something like
# SELECT DISTINCT "app_productorder"."category" FROM "app_productorder"
There are a couple of things to remember here. First, this will return a ValuesQuerySet which behaves differently from a QuerySet. When you access say, the first element ...
Allow Google Chrome to use XMLHttpRequest to load a URL from a local file
...-security
On Windows:
chrome.exe --disable-web-security
On Mac:
open /Applications/Google\ Chrome.app/ --args --disable-web-security
This will allow for cross-domain requests.
I'm not aware of if this also works for local files, but let us know !
And mention, this does exactly what you expec...