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How default .equals and .hashCode will work for my classes?
... used. It is OK, unless you plan to put your class instances into i.e. HashSet (any collection that actually use hashCode() ), or something that need to check object's equality (i.e. HashSet's contains() method). Otherwise it will work incorrectly, if that's what you are asking for.
It is quite eas...
Hide all warnings in ipython
...e same issue.
Quite often it is useful to see a warning once. This can be set by:
warnings.filterwarnings(action='once')
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snprintf and Visual Studio 2010
... "If the buffer is too small for the text being printed then the buffer is set to an empty string". In contrast snprintf writes a truncated string to the output.
– Andrew Bainbridge
Oct 27 '14 at 20:04
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Get Android Device Name [duplicate]
...the BluetoothAdapter (that needs Bluetooth permission).
Here's the code:
Settings.Secure.getString(getContentResolver(), "bluetooth_name");
No extra permissions needed.
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How do I enumerate through a JObject?
... do I use it for nested JSON? For example, if the "value" contains another set of key:value pairs, how can I use the JToken value to iterate through next set of pairs?
– AlbatrossCafe
Aug 14 '15 at 22:52
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*.bsc文件是干什么用的？ - C/C++ - 清泛网 - 专注C/C++及内核技术
...干什么用的？.bsc 用于浏览项目信息，可在 Prject Settings Link页中勾掉GenerateBrowseInfoFile， 禁止生成.bsc文件，以加快编译速度。但若....bsc 用于浏览项目信息，可在
Prject \ Settings \ Link 页中勾掉“Generate ...
Will ConfigurationManager.AppSettings[“blah”] throw an exception if “blah” doesn't exist?
Will ConfigurationManager.AppSettings["blah"] throw an exception if "blah" doesn't exist in the web/app.config?
6 Answers
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The difference between fork(), vfork(), exec() and clone()
...a needless expense. Nowadays, fork() doesn't copy the memory; it's simply set as "copy on write", so fork()+exec() is just as efficient as vfork()+exec().
clone() is the syscall used by fork(). with some parameters, it creates a new process, with others, it creates a thread. the difference betwee...
How to make modal dialog in WPF?
... you try showing your window using the ShowDialog method?
Don't forget to set the Owner property on the dialog window to the main window. This will avoid weird behavior when Alt+Tabbing, etc.
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Connect to a locally built Jekyll Server using mobile devices in the LAN
After using jekyll serve on one machine, a WEBrick server is set up and the site can be accessed from localhost:4000 on this particular PC.
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