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Is there a standard sign function (signum, sgn) in C/C++?
...ranchless code, but they'll do it also for ternaries or if/else if it is a win.
– Patrick Schlüter
Mar 12 '12 at 15:41
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Why use AJAX when WebSockets is available?
...unctionality. But for low-latency bi-directional communication it's a huge win.
– kanaka
May 7 '14 at 16:21
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converting a base 64 string to an image and saving it
...ystem.Drawing DLL
– Philip Rego
Jan 10 '17 at 18:34
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@Bibin did you try saving the image inside ...
Groovy Shell warning “Could not open/create prefs root node …”
...ennis answer is correct. However I would like to explain the solution in a bit more detailed way (for Windows User):
Go into your Start Menu and type regedit into the search field.
Navigate to path HKEY_LOCAL_MACHINE\Software\JavaSoft (Windows 10 seems to now have this here: HKEY_LOCAL_MACHINE\Sof...
How to implement a ConfigurationSection with a ConfigurationElementCollection
...ionConfigSection;
I hope above post would help you to get started with a bit complicated kind of custom config sections.
Happy Coding :)
****Edit****
To Enable LINQ on LaneConfigCollection you have to implement IEnumerable<LaneConfigElement>
And Add following implementation of GetEnumera...
When should iteritems() be used instead of items()?
...s required for what was dict.items() in Python 2.x.
Python 2.7 also has a bit of a back-port for key handling, in that you have viewkeys, viewitems and viewvalues methods, the most useful being viewkeys which behaves more like a set (which you'd expect from a dict).
Simple example:
common_keys = ...
libunwind链接时报错：undefined reference to `_Ux86_64_init_local\' - ...
libunwind链接时报错：undefined reference to `_Ux86_64_init_local'编译安装libunwind后，代码编译链接时报错：undefined reference to `_Ux86_64_init_local& 39;，链接选项加了 -lunwind，仍然报错。原因：编译出来的libunwind拆分成了很多个 编译安装libunwi...
How to wait for a keypress in R?
...oke on the keyboard.
Compatibility: Tested under environments use either win.graph or X11. Works with Windows 7 x64 with Revolution R v6.1. Does not work under RStudio (as it doesn't use win.graph).
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application/x-www-form-urlencoded or multipart/form-data?
...n also always handle binary data, by the simple expedient of turning one arbitrary byte into three 7BIT bytes. Inefficient, but it works (and note that the comment about not being able to send filenames as well as binary data is incorrect; you just send it as another key/value pair).
The problem wi...
Convert NSNumber to int in Objective-C
...entially just an alias to some primitive integer type that's known to be 32bit on 32bit machines and 64bit on 64bit devices.
– Max Seelemann
Jan 6 '15 at 10:31
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