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CodeFile vs CodeBehind
... there a way to create a web project which selects codebehind or codefile, by default, each time a new web page is added?
– Matt W
Nov 5 '09 at 8:42
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Re-open *scratch* buffer in Emacs?
...e Lisp Interaction. Note: the mode for the *scratch* buffer is controlled by the variable initial-major-mode.
In general you can create as many "scratch" buffers as you want, and name them however you choose.
C-xb NAME RET
switches to a buffer NAME, creating it if it doesn't exist. A new buf...
Android Webview - Completely Clear the Cache
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The edited code snippet above posted by Gaunt Face contains an error in that if a directory fails to delete because one of its files cannot be deleted, the code will keep retrying in an infinite loop. I rewrote it to be truly recursive, and added a numDays param...
JavaScript Chart Library
...ate charts elements with the DOM, and most importantly setting DOM events. By contrast Canvas charting libraries must reinvent the DOM wheel to manage events. So unless you intend to build static graphs with no event handling, SVG/VML solutions should be better.
For SVG/VML solutions there are many...
How to assign Profile values?
...class, you'll get a "This property has already been defined," easily fixed by removing the properties in the web.config.
– Zachary Scott
May 25 '12 at 14:09
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Uses for Optional
...it's rather clumsy. Suppose you have a method that takes a string followed by an optional second string. Accepting an Optional as the second arg would result in code like this:
foo("bar", Optional.of("baz"));
foo("bar", Optional.empty());
Even accepting null is nicer:
foo("bar", "baz");
foo("bar...
Learning Ruby on Rails
... it stands now, I'm a Java and C# developer. The more and more I look at Ruby on Rails, the more I really want to learn it.
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Is it better to reuse a StringBuilder in a loop?
...ngth(0) is far and away the most efficient answer. StringBuilder is backed by a char array and is mutable. At the point .toString() is called, the char array is copied and is used to back an immutable string. At this point, the mutable buffer of StringBuilder can be re-used, simply by moving the ins...
CSS Pseudo-classes with inline styles
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Another point for inline styles is lowering render times by using a virtual DOM. A CSS will need to scan the entire document for changes and applying its styles. This is eliminated by inline styles.
– Frederik Krautwald
May 22 '15 at 22:04
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Append column to pandas dataframe
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As pointed by @jeremy-z, it is very important to reset indexes in both dataset if they don't share same index. Otherwise you will get one dataset with lot of NaNs rows.
– Israel Varea
Jun 18 '19 at...