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Django Forms: if not valid, show form with error message
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yes you got it right now. If you have not rendered the form manually then the errors will automatically shown for each field.
– Aamir Adnan
Feb 1 '13 at 14:00
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XML attribute vs XML element
...TA tags around this data. I would say, only use attributes when you 100% know what values are going to put in there, eg, a integer or a date, probably anything that is computer generated. If the BarCode was generated by a human then it should not be an attribute.
– John Ballin...
Does python have an equivalent to Java Class.forName()?
...a.
I recommend reading this tutorial
There's no direct function (that I know of) which takes a fully qualified class name and returns the class, however you have all the pieces needed to build that, and you can connect them together.
One bit of advice though: don't try to program in Java style wh...
What is the equivalent of “colspan” in an Android TableLayout?
I'm using a TableLayout in Android. Right now I have one TableRow with two items in it, and, below that, a TableRow with one item it it. It renders like this:
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How to resolve “git did not exit cleanly (exit code 128)” error on TortoiseGit? [closed]
... the unix-based systems. The guys is asking for Windows. In Ubuntu we all know it's easy as pie ...
– Деян Добромиров
Jun 27 '16 at 8:29
8
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Why not infer template parameter from constructor?
...*pm;
*pm = m;
I am not sure if it would be so obvious for the parser to know what template type is the MyClass pm;
Not sure if what I said make sense but feel free to add some comment, that's an interesting question.
C++ 17
It is accepted that C++17 will have type deduction from constructor arg...
Sending and Receiving SMS and MMS in Android (pre Kit Kat Android 4.4)
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Also you must know that sending a SMS and MMS are 2 entirely different things in background. MMS is more of an internet based network service as it requires sending additional items(Media) with text. The given code works fine on a few devi...
What is the difference between DAO and Repository patterns?
...egated root" is a term often connected to the repository pattern. I don't know how you would use that with your definition of a repository.
– Christian Strempfer
May 11 '17 at 17:52
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What is AF_INET, and why do I need it?
... OSI (Open Systems Interconnection), and these did not necessarily use the now ubiquitous IP address to identify the peer host in network connections.
The ubiquitous alternative to AF_INET (which, in retrospect, should have been named AF_INET4) is AF_INET6, for the IPv6 address family. IPv4 uses 3...
Multiprocessing - Pipe vs Queue
...ue() accounts for tasks when queue.task_done() is called (it doesn't even know about the specific task, it just counts unfinished tasks in the queue), so that queue.join() knows the work is finished.
The code for each at bottom of this answer...
mpenning@mpenning-T61:~$ python multi_pipe.py
Sendi...