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What's the difference between compiled and interpreted language?
...fference between a compiled language and an interpreted language is. I was told this is one of the differences between Java and JavaScript. Would someone please help me in understanding it?
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Selecting and manipulating CSS pseudo-elements such as ::before and ::after using jQuery
Is there any way to select/manipulate CSS pseudo-elements such as ::before and ::after (and the old version with one semi-colon) using jQuery?
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How do servlets work? Instantiation, sessions, shared variables and multithreading
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ServletContext
When the servlet container (like Apache Tomcat) starts up, it will deploy and load all its web applications. When a web application is loaded, the servlet container creates the ServletContext once and keeps it in the server's memory. The web app's web.xml and all o...
How to Sign an Already Compiled Apk
I've decoded an APK with apktool (as the original source code was lost) so I could fix some issues with the layout xml files. I've then rebuilt it back up with apktool and when I tried to install it on my device (using adb: adb install appname.apk) it gave me this error:
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What is the email subject length limit?
How many characters are allowed to be in the subject line of Internet email?
I had a scan of The RFC for email but could not see specifically how long it was allowed to be.
I have a colleague that wants to programmatically validate for it.
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What are carriage return, linefeed, and form feed?
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Carriage return means to return to the beginning of the current line without advancing downward. The name comes from a printer's carriage, as monitors were rare when the name was coined. This is commonly escaped as \r, abbreviated CR, and has AS...
Why does GCC generate 15-20% faster code if I optimize for size instead of speed?
...09 that GCC (at least on my projects and on my machines) have the tendency to generate noticeably faster code if I optimize for size ( -Os ) instead of speed ( -O2 or -O3 ), and I have been wondering ever since why.
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How do I pass data between Activities in Android application?
...where, after logging in through a login page, there will be a sign-out button on each activity .
51 Answers
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Replace multiple strings with multiple other strings
I'm trying to replace multiple words in a string with multiple other words. The string is "I have a cat, a dog, and a goat."
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Are HLists nothing more than a convoluted way of writing tuples?
...y interested in finding out where the differences are, and more generally, to identify canonical use cases where HLists cannot be used (or rather, don't yield any benefits over regular lists).
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