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Devise Secret Key was not set
...re run "rails g devise:install" after creating users. If you use git, make testing branch and try it. If not, try it on a copy of your project.
– sascha.daniels
Jan 16 '14 at 11:21
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How do I make jQuery wait for an Ajax call to finish before it returns?
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For testing, async: false can be very useful.
– Jarrett
Sep 9 '13 at 20:14
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How can strings be concatenated?
...y it seems to have been optimized since the article you cite. From a quick test with timeit, I wasn't able to reproduce the results.
– tonfa
May 28 '11 at 15:05
3
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C#操作XML小结 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...一个xml文档
xmlWriter.Formatting = Formatting.Indented;
xmlWriter.WriteStartDocument();
xmlWriter.WriteStartElement("Employees");
xmlWriter.WriteStartElement("Node");
xmlWriter.WriteAttributeString("genre","李赞红");
xmlWriter.WriteAttributeString("ISBN","2-3631-4");
xmlWriter.Writ...
prevent property from being serialized in web API
...rializer or [IgnoreDataMember] for the default XML serializer.
However in testing I have noticed that [IgnoreDataMember] prevents serialization for both XML and Json requests, so I would recommend using that rather than decorating a property with multiple attributes.
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$(document).click() not working correctly on iPhone. jquery [duplicate]
...you're not making everything turn blue on chrome or firefox mobile;
/iP/i.test(navigator.userAgent) && $('*').css('cursor', 'pointer');
basically, on iOS, things aren't "clickable" by default -- they're "touchable" (pfffff) so you make them "clickable" by giving them a pointer cursor. mak...
How to write a switch statement in Ruby
...when clauses as seen above. Ranges, classes and all sorts of things can be tested for rather than just equality.
Unlike switch statements in many other languages, Ruby’s case does not have fall-through, so there is no need to end each when with a break. You can also specify multiple matches in a ...
How to delete the contents of a folder?
...emented. It removes all the content of a folder but not the folder itself. Tested on Linux with files, folders and symbolic links, should work on Windows as well.
import os
import shutil
for root, dirs, files in os.walk('/path/to/folder'):
for f in files:
os.unlink(os.path.join(root, f...
Setting action for back button in navigation controller
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@TimAutin I just tested this again and seems like something has changed. Key part to understand that in a UINavigationController, the navigationBar.delegate is set to the navigation controller. So the methods SHOULD get called. However, in Sw...
How to organize large R programs?
...nterface
a lot of sanity checks via R CMD check
a chance to add regression tests
as well as a means for namespaces.
Just running source() over code works for really short snippets. Everything else should be in a package -- even if you do not plan to publish it as you can write internal packages fo...