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Version number comparison in Python
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Now you've merged all the good ideas from the others into your solution ... :-P still, this is pretty much what I'd do after all. I'll accept this answer. Thanks, everyone
– Johannes Charra
Nov 11 '09 at 10:36
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Downloading a file from spring controllers
I have a requirement where I need to download a PDF from the website. The PDF needs to be generated within the code, which I thought would be a combination of freemarker and a PDF generation framework like iText. Any better way?
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Differences between Proxy and Decorator Pattern
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Here is the direct quote from the GoF (page 216).
Although decorators can have similar implementations as proxies, decorators have a different purpose. A decorator adds one or more responsibilities to an object, whereas a proxy controls access to...
How to fix Git error: object file is empty?
....com> 1347358589 -0400 commit: fixed up to page 28
Step 7: Note that from Step 6 we learned that the HEAD is currently pointing to the very last commit. So let's try to just look at the parent commit:
nathanvan@nathanvan-N61Jq:~/workspace/mcmc-chapter$ git show 9f0abf890b113a287e10d56b66dbab6...
Showing the stack trace from a running Python application
I have this Python application that gets stuck from time to time and I can't find out where.
28 Answers
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Load local JSON file into variable
...her requests use cache.
edit To avoid caching, here's the helper function from this blogpost given in the comments, using the fs module:
var readJson = (path, cb) => {
fs.readFile(require.resolve(path), (err, data) => {
if (err)
cb(err)
else
cb(null, JSON.parse(data))
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What happens if you call erase() on a map element while iterating from begin to end?
...C++03
Erasing elements in a map does not invalidate any iterators.
(apart from iterators on the element that was deleted)
Actually inserting or deleting does not invalidate any of the iterators:
Also see this answer:
Mark Ransom Technique
But you do need to update your code:
In your code you i...
Iterate all files in a directory using a 'for' loop
...e time.
Just use cygwin with its bash for much more functionality.
Apart from this: Did you notice, that the buildin help of MS Windows is a great resource for descriptions of cmd's command line syntax?
Also have a look here: http://technet.microsoft.com/en-us/library/bb490890.aspx
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Get keys from HashMap in Java
...ke BidiMap (a map that allows bidirectional lookup between key and values) from Apache's Commons Collections - also be aware that several different keys could be mapped to the same value.
share
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im...
The communication object, System.ServiceModel.Channels.ServiceChannel, cannot be used for communicat
...tch and handle your server-side errors - do not let .NET exceptions travel from the server to the client - always wrap those into interoperable SOAP faults. Check out the WCF IErrorHandler interface and implement it on the server side
if you're about to send a second message onto your channel from t...