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Difference between thread's context class loader and normal classloader
...t class loader! But set it to getClass().getClassLoader() when you have to call a method that is missing a ClassLoader parameter.
When code from one class asks to load another class, the correct class loader to use is the same class loader as the caller class (i.e., getClass().getClassLoader()). Th...
The differences between .build, .create, and .create! and when should they be used?
... < 3.x
The most important part, however, is that these methods can be called through an association (has_many, etc.) to automatically link the two models.
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“Uncaught Error: [$injector:unpr]” with angular after deployment
...
There is also a package that will automatically handle this for you called ngmin and a corresponding gem for Rails called ngmin-rails.
– bradleygriffith
Mar 21 '14 at 16:26
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How to do a less than or equal to filter in Django queryset?
I am attempting to filter users by a custom field in each users profile called profile. This field is called level and is an integer between 0-3.
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How to check if std::map contains a key without doing insert?
... overhead. In this case, if count() is implemented via find() anyway, then calling find() directly eliminates a function call... ergo, it's mature optimization. I find that using the find() call is more obvious, as well, but that's purely personal preference.
– Tim Keating
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Why {} + {} is NaN only on the client side? Why not in Node.js?
...ole._commandLineAPI = new CommandLineAPI(this._commandLineAPIImpl, isEvalOnCallFrame ? object : null);
expression = "with ((window && window.console && window.console._commandLineAPI) || {}) {\n" + expression + "\n}";
}
var result = evalFunction.call(object, expressio...
Proper way to implement IXmlSerializable?
...mation that
was written by the WriteXml method.
When this method is called, the reader
is positioned at the start of the
element that wraps the information for
your type. That is, just before the
start tag that indicates the beginning
of a serialized object. When this
method retur...
When should TaskCompletionSource be used?
...s is that at some point, its SetResult or SetException method is being called to complete the Task<T> exposed through its Task property.
...
How do you run multiple programs in parallel from a bash script?
... @Yash I think you can save the process IDs into an array, then call wait on the array. I think you have to use ${} to interpolate it into a string list or similar.
– trusktr
Nov 1 '18 at 21:23
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What is the meaning of erb?
...embedded in; Rails will evaluate the Ruby to add content to the file dynamically, and will output a "pure" HTML file for rendering.
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