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Download attachments using Java Mail

...tain this filename: "../etc/passwd", or any other path: They can overwrite _ANY_ file on the system that this code has write access to! // File f = new File("/tmp/" + bodyPart.getFileName()); FileOutputStream fos = new FileOutputStream(f); byte[] buf = new byte[4096]; in...
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When to delete branches in Git?

...u are actively developing. Delete old branches with git branch -d branch_name Delete them from the server with git push origin --delete branch_name or the old syntax git push origin :branch_name which reads as "push nothing into branch_name at origin". That said, as long as the DAG (dire...
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Bogus foreign key constraint fail

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'Contains()' workaround using Linq to Entities?

... demonstrate how to write set-based queries using the DataServiceContext : http://blogs.msdn.com/phaniraj/archive/2008/07/17/set-based-operations-in-ado-net-data-services.aspx share | improve this a...
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Python timedelta in years

... you'd rather stick with the standard library, the answer is a little more complex:: from datetime import datetime def yearsago(years, from_date=None): if from_date is None: from_date = datetime.now() try: return from_date.replace(year=from_date.year - years) except Valu...
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Dokan虚拟磁盘开发实战 - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术

...n-dev.net * * Delphi translation by Vincent Forman (vincent.forman@gmail.com) * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including withou...
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How to link C++ program with Boost using CMake

... In CMake you could use find_package to find libraries you need. There usually is a FindBoost.cmake along with your CMake installation. As far as I remember, it will be installed to /usr/share/cmake/Modules/ along with other find-scripts for common lib...
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ElasticSearch - Return Unique Values

... const body = { "size": 0, // Returning only aggregation results: https://www.elastic.co/guide/en/elasticsearch/reference/current/returning-only-agg-results.html "aggs" : { "langs": { "composite" : { "size": ITEMS_PER_PAGE, "sourc...
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Generating random numbers in Objective-C

... You should use the arc4random_uniform() function. It uses a superior algorithm to rand. You don't even need to set a seed. #include <stdlib.h> // ... // ... int r = arc4random_uniform(74); The arc4random man page: NAME arc4random, arc4ran...
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How do I design a class in Python?

...function so that it only happens once. Something like: class Dog: def __init__(self): self._footsteps=None def footstep(self,n): if not self._footsteps: self.readInFootsteps(...) return self._footsteps[n] [This is now a sort of caching pattern. The first time it goe...