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What is the difference between a string and a byte string?

...t;> b'hi' + 'bye' # this will fail Traceback (most recent call last): File "<stdin>", line 1, in <module> TypeError: can't concat str to bytes >>> 'hi' + b'bye' # this will also fail Traceback (most recent call last): File "<stdin>", line 1, in <module> TypeEr...
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vim line numbers - how to have them on by default?

I can :set number from within a file I'm editing but how can I have them always be on by default? 8 Answers ...
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Servlet for serving static content

...attern> </servlet-mapping> This basically just maps all content files by extension to the default servlet, and everything else to "myAppServlet". It works in both Jetty and Tomcat. share | ...
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What are the differences among grep, awk & sed? [duplicate]

... Short definition: grep: search for specific terms in a file #usage $ grep This file.txt Every line containing "This" Every line containing "This" Every line containing "This" Every line containing "This" $ cat file.txt Every line containing "This" Every line containing "This" E...
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How to delete files older than X hours

I'm writing a bash script that needs to delete old files. 10 Answers 10 ...
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How to get the build/version number of your Android application?

...Context object needed! Also make sure to specify them in your build.gradle file instead of the AndroidManifest.xml. defaultConfig { versionCode 1 versionName "1.0" } share | improve this an...
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Understanding MongoDB BSON Document size limit

...a common system ... which will keep growing year on year. Note on Storing Files in MongoDB If you need to store documents (or files) larger than 16MB you can use the GridFS API which will automatically break up the data into segments and stream them back to you (thus avoiding the issue with size l...
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How to use java.net.URLConnection to fire and handle HTTP requests?

...eptions whenever you concurrently send large POST requests (e.g. uploading files). To avoid this, you would like to set the HttpURLConnection#setFixedLengthStreamingMode(). httpConnection.setFixedLengthStreamingMode(contentLength); But if the content length is really not known beforehand, then you ...
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JSP tricks to make templating easier?

At work I've been tasked with turning a bunch of HTML files into a simple JSP project. It's really all static, no serverside logic to program. I should mention I'm completely new to Java. JSP files seem to make it easy to work with common includes and variables, much like PHP , but I'd like to ...
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Open and write data to text file using Bash?

How can I write data to a text file automatically by shell scripting in Linux? 11 Answers ...