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Get value from JToken that may not exist (best practices)
...e sake of moving my code to a platform that has a better JSON parser (say, Win8 for example). So, for what I asked, yes, your code would be perfect.
– Paul Hazen
Mar 17 '12 at 23:27
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What is mutex and semaphore in Java ? What is the main difference?
...efers to the monitor built into every object, which is also similar to the Win32 object called a Mutex. The same applies to a ReentrantLock. All of these are recursive. I am not aware of any "real-world" examples of non-recursive mutexes (I have seen them only in textbooks) so I did not consider ...
How to do a simple file search in cmd
... to quickly search for a file given its name or part of its name, from the windows command line (not power shell). This is similar to opening explorer and using the search box at the top.
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Python syntax for “if a or b or c but not all of them”
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All great answers, but this wins for conciseness, with great short-circuiting. Thanks all!
– Chris Wilson
May 13 '13 at 12:46
38
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Import a module from a relative path
..._file__ !!!
# __file__ fails if the script is called in different ways on Windows.
# __file__ fails if someone does os.chdir() before.
# sys.argv[0] also fails, because it doesn't not always contains the path.
As a bonus, this approach does let you force Python to use your module instead of the...
Map a network drive to be used by a service
Suppose some Windows service uses code that wants mapped network drives and no UNC paths. How can I make the drive mapping available to the service's session when the service is started? Logging in as the service user and creating a persistent mapping will not establish the mapping in the context of...
Connect different Windows User in SQL Server Management Studio (2005 or later)
... there a way in SQL Server Management Studio 2005 (or later) to change the Windows Authentication user (as you could in SQL Server 2000 and older)?
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论中国股市的现状 - 轻松一刻 - 清泛网 - 专注C/C++及内核技术
论中国股市的现状一天，菜市场上多了一个乞丐，有的人给他点钱，但大多数人还是没给，他把给他钱的人的住址都记了下来，结果过了几个小时，一辆宾利停他前面 一天，菜市场上多了一个乞丐，有的人给他点钱，但大多数...
美女拒绝色狼的妙语 - 轻松一刻 - 清泛网 - 专注C/C++及内核技术
美女拒绝色狼的妙语对方明明不认识你，硬装一副老朋友的样子。 男：真的，我确定以前在哪儿见过你。 女：是啊，所以我都不去那里了。 你不希望对方坐...对方明明不认识你，硬装一副老朋友的样子。
男：...
老人炒股亏了本一怒打隔壁老王 因他穿绿衬衫 - 轻松一刻 - 清泛网 - 专注C/...
...本一怒打隔壁老王 因他穿绿衬衫家住重庆巴南区龙洲湾的徐大爷年近七旬，是个老股民，退休后就用自己的退休金在家炒股，同时他还是一个非常迷信的人。
家住重庆巴南区龙洲湾的徐大爷年近七旬，是个老股民，退休后就用...