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How to ignore a property in class if null, using json.net
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As per James Newton King: If you create the serializer yourself rather than using JavaScriptConvert there is a NullValueHandling property which you can set to ignore.
Here's a sample:
JsonSerializer _jsonWriter = new JsonSerializer {
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Controller not a function, got undefined, while defining controllers globally
...pp', []).controller('ContactController', ContactController);
It is a breaking change but it can be turned off to use globals by using allowGlobals.
Example:-
angular.module('app')
.config(['$controllerProvider', function($controllerProvider) {
$controllerProvider.allowGlobals();
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setup.py examples?
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Complete walkthrough of writing setup.py scripts here. (with some examples)
If you'd like a real-world example, I could point you towards the setup.py scripts of a couple major projects. Django's is here, pyglet's is here. You can just ...
Why is volatile needed in C?
...ting the command starts the action:
gadget->command = command;
}
Looks easy, but it can fail because the compiler is free to change the order in which data and commands are written. This would cause our little gadget to issue commands with the previous data-value. Also take a look at the wait...
How can I check that a form field is prefilled correctly using capybara?
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You can use an xpath query to check if there's an input element with a particular value (e.g. 'John'):
expect(page).to have_xpath("//input[@value='John']")
See http://www.w3schools.com/xpath/xpath_syntax.asp for more info.
For perhaps a prettier way:
exp...
iPhone Simulator - Simulate a slow connection?
... how the App might react when you are in a slow spot on the cellular network?
6 Answers
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windbg 备忘 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...0，本地活动的用户态调试；1，内核转储文件thread_index：kd，内核...Windbg：
[ ||system_index ] | process_index : thread_index>
system_index：0，本地活动的用户态调试；1，内核转储文件
thread_index：kd，内核转储；lkd，本地内核
|| (index) s 切...
HashMap get/put complexity
...nt hash which itself is constant time... but you could have a hash which takes a long time to compute, and if there are multiple items in the hash map which return the same hash code, get will have to iterate over them calling equals on each of them to find a match.
In the worst case, a HashMap has...
How to change an Eclipse default project into a Java project
I checked out a project from SVN and did not specify the project type, so it checked out as a "default" project. What is the easiest way to quickly convert this into a "Java" project?
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Should I use string.isEmpty() or “”.equals(string)?
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The main benefit of "".equals(s) is you don't need the null check (equals will check its argument and return false if it's null), which you seem to not care about. If you're not worried about s being null (or are otherwise checking for it), I would definitely use s.isEmpty(); it shows ex...