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Batch file. Delete all files and folders in a directory
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Just want to add a note to the comment from Bill_Stewart . The reason you want to make sure that the directory exists is that otherwise, it will clear whatever directory you are currently in. In my case, it was the batch file I had been working on for over 30 mi...
Python Git Module experiences? [closed]
...le/setup semi-stable versions of both libgit and pygit2, taking the source from GitHub. Problem is, head branches have broken tests, and latest "stable" fail installation... Not a suitable solution if reliability is important and you need to deploy in a variety of environments... :(
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Parse JSON in JavaScript? [duplicate]
...For IE 6, 7 and other older browsers, you can use the json2.js I linked to from my post. Alternatively, but less securely, you can use eval.
– Andy E
Nov 16 '11 at 9:46
10
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MemoryCache does not obey memory limits in configuration
...is point, and I have no idea how to start finding out what it does there. From what I've observed though it does a horrible job of trying to approximate the size of the overall thing.
The third noticeable thing there is the call to manager.UpdateCacheSize which sounds like it should do something...
Get model's fields in Django
...e this will return a list of Field objects. To get the value of each field from the instance, use getattr(instance, field.name).
Update: Django contributors are working on an API to replace the _Meta object as part of a Google Summer of Code. See:
- https://groups.google.com/forum/#!topic/django-de...
How to get week number in Python?
...tle late. But on my machine, date(2010, 1, 1).isocalendar()[1] returns 53. From the docs: "For example, 2004 begins on a Thursday, so the first week of ISO year 2004 begins on Monday, 29 Dec 2003 and ends on Sunday, 4 Jan 2004, so that date(2003, 12, 29).isocalendar() == (2004, 1, 1) and date(2004,...
How to read and write excel file
I want to read and write an Excel file from Java with 3 columns and N rows, printing one string in each cell. Can anyone give me simple code snippet for this? Do I need to use any external lib or does Java have built-in support for it?
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iPhone app in landscape mode, 2008 systems
Please note that this question is from 2008 and now is of only historic interest.
8 Answers
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C# vs Java generics [duplicate]
...as taken to keep the legacy code compatible with new code using generics:
From The Java Tutorials, Generics: Type Erasure:
When a generic type is instantiated,
the compiler translates those types by
a technique called type erasure — a
process where the compiler removes all
information...
why windows 7 task scheduler task fails with error 2147942667
... Scheduled Task
Switch to "Actions" tab
Open your Action
Remove Quotes (") from the field "Start in (optional)"
Save and close all open dialogs
To get the relevant error message:
1) Convert 2147942667 to hex: 8007010B
2) Take last 4 digits (010B) and convert to decimal: 267
3) Run: net helpms...