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How to read the Stock CPU Usage data
...nice article about this.
The numbers show the average load of the CPU in different time intervals. From left to right: last minute/last five minutes/last fifteen minutes
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Rails: How to change the title of a page?
...ur views do something like this:
<% content_for :title, "Title for specific page" %>
<!-- or -->
<h1><%= content_for(:title, "Title for specific page") %></h1>
The following goes in the layout file:
<head>
<title><%= yield(:title) %></title>...
JPA: unidirectional many-to-one and cascading delete
...tyManager.remove will remove the parent and the children. You can also specify orphanRemoval as true, to delete any orphaned children when the child entity in the parent collection is set to null, i.e. remove the child when it is not present in any parent's collection.
Or, specify the foreign key co...
Removing white space around a saved image in matplotlib
..., bbox_inches = 'tight',
pad_inches = 0)
I have tried to deactivate different parts of this, but this always lead to a white margin somewhere. You may even have modify this to keep fat lines near the limits of the figure from being shaved by the lack of margins.
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Converting a string to a date in JavaScript
...e advantage of the library Moment.js that allows parsing date with the specified time zone.
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Custom dealloc and ARC (Objective-C)
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If view holds a reference to observer, and observer holds reference to the view, then we have a circular reference. So the view's reference count is greater than 0, and dealloc is never called. Does it make sense to call [obs...
Android selector & text color
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Here is the example of selector. If you use eclipse , it does not suggest something when you click ctrl and space both :/ you must type it.
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:drawable="@drawable/btn...
Logback to log different messages to two files
... file; one for analytics and one for all purpose logging. Does anyone know if this is possible with Logback, or any other logger for that matter?
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mongodb find by multiple array items
If I have a record like this;
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Python Flask, how to set content type
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@earthmeLon: If you set app.response_class like Simon points out, remember to use app.make_response to get your reponse instance like pointed out in the answer below.
– Martin Geisler
Aug 5 '15 at 15...