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Saving interactive Matplotlib figures
...n quickly run a script and re-generate it (and quickly copy over your plot settings with new data). That said, pickling a figure could be convenient for short term/interactive/exploratory data analysis.
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iPhone and OpenCV
...Code project for OpenCV project using cmake or cmake gui tool.
Remember to set option to generate XCode project instead of the default option to use CMakeFiles.
Open generated project, change the base SDK to iPhone SDK, and hit build!
Since OpenCV does not support iOS at now (but they has announced...
Cosmic Rays: what is the probability they will affect a program?
...s a given component gets smaller, it needs less voltage and less charge to set a bit. That makes it more sensitive to being blasted with energy from outer space. However, here's a citation for you: As LSI memory devices become smaller, they become more sensitive to nuclear-radiation-induced soft fai...
WebClient vs. HttpWebRequest/HttpWebResponse
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Using HttpWebRequest gives you more control on the request. You can set cookies, headers, protocol, etc... In the response, you can also retrieve the cookies and headers
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IOException: read failed, socket might closed - Bluetooth on Android 4.3
...", and this value seems doesn't work for android >=4.2 , so you need to set it to "1". The bad news is that createRfcommSocketToServiceRecord only accepts UUID as parameter and not mPort so we have to use other aproach. The answer posted by @matthes also worked for me, but i simplified it: socket...
JSF backing bean structure (best practices)
...ean should be a POJO that follows the JavaBean design pattern with getters/setters encapsulating properties. The most common use case for a model bean is to be a database entity, or to simply represent a set of rows from the result set of a database query.
Backing Managed-Bean: Normally request scop...
How to do a FULL OUTER JOIN in MySQL?
...would not produce any duplicate rows. The query above depends on the UNION set operator to remove duplicate rows introduced by the query pattern. We can avoid introducing duplicate rows by using an anti-join pattern for the second query, and then use a UNION ALL set operator to combine the two sets...
Received fatal alert: handshake_failure through SSLHandshakeException
... initialized. The first message sent by the client in a SSL/TLS connection setup is the ClientHello message, usually reported in the logs as:
*** ClientHello, TLSv1
RandomCookie: GMT: 1291302508 bytes = { some byte array }
Session ID: {}
Cipher Suites: [SSL_RSA_WITH_RC4_128_MD5, SSL_RSA_WITH_RC4_...
HTML5 Canvas vs. SVG vs. div
... long answer:
HTML5 Canvas is simply a drawing surface for a bit-map. You set up to draw (Say with a color and line thickness), draw that thing, and then the Canvas has no knowledge of that thing: It doesn't know where it is or what it is that you've just drawn, it's just pixels. If you want to dra...
failed to serialize the response in Web API
...od:
GlobalConfiguration.Configuration.Formatters.JsonFormatter.SerializerSettings.ReferenceLoopHandling = Newtonsoft.Json.ReferenceLoopHandling.Ignore;
GlobalConfiguration.Configuration.Formatters.Remove(GlobalConfiguration.Configuration.Formatters.XmlFormatter);
Now only JSON results will be re...