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How to deep watch an array in angularjs?
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The performance issues would be minimized by using $watchCollection, as mentioned by @Blazemonger comment (stackoverflow.com/questions/14712089#comment32440226_14713978).
– Sean the Bean
Jun 12 '15 at 19:23
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Why is React's concept of Virtual DOM said to be more performant than dirty model checking?
...ar interval and check all of the values in the data structure recursively. By comparison, setting a value on the state will signal to a listener that some state has changed, so React can simply listen for change events on the state and queue up re-rendering.
The virtual DOM is used for efficient re...
Reading large text files with streams in C#
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You can improve read speed by using a BufferedStream, like this:
using (FileStream fs = File.Open(path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
using (BufferedStream bs = new BufferedStream(fs))
using (StreamReader sr = new StreamReader(...
Set environment variables from file of key/value pairs
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Although reading the file line-by-line and passing each line to export is not ideal, the problem can also be fixed by simply using input redirection on the loop: while read line; do ... ; done < ./conf/$1.
– chepner
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phpunit mock method multiple calls with different arguments
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The PHPUnit Mocking library (by default) determines whether an expectation matches based solely on the matcher passed to expects parameter and the constraint passed to method. Because of this, two expect calls that only differ in the arguments passed to ...
Are there constants in JavaScript?
... Rhino or Node.js) you can use the const keyword. It's currently supported by all modern browsers except for IE.
– Husky
Aug 1 '11 at 19:16
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How to use a WSDL
...rld!");
If you need to specify the remote URL (not using the one created by default), you can easily do this in the constructor of the proxy client:
YourServiceClient client = new YourServiceClient("configName", "remoteURL");
where configName is the name of the endpoint to use (you will use all...
Validate uniqueness of multiple columns
... the following example:
database table records are supposed to be unique by n fields;
multiple (two or more) concurrent requests, handled by separate processes each (application servers, background worker servers or whatever you are using), access database to insert the same record in table;
each ...
Understanding the Rails Authenticity Token
... to service A (which you are logged into), and ask to delete your account, by sending a request to http://serviceA.com/close_account. This is what is known as CSRF (Cross Site Request Forgery).
If service A is using authenticity tokens, this attack vector is no longer applicable, since the request ...
Redis: Show database size/size for keys
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Is serialized length the size of the entire object, in bytes?
– raffian
Aug 17 '12 at 0:38
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