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When you exit a C application, is the malloc-ed memory automatically freed?
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It depends on the operating system. The majority of modern (and all major) operating systems will free memory not freed by the program when it ends.
Relying on this is bad practice and it is better to free it explicitly. The issue isn't just that your code looks bad. You may decide y...
Remove HTML tags from a String
..., which is very useful if you want to allow only e.g. <b>, <i> and <u>.
See also:
RegEx match open tags except XHTML self-contained tags
What are the pros and cons of the leading Java HTML parsers?
XSS prevention in JSP/Servlet web application
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What are fail-safe & fail-fast Iterators in Java
There are two types of iterators in Java: fail-safe and fail-fast.
4 Answers
4
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Best Practice - NSError domains and codes for your own project/app
...ameworks, but what is the best practice regarding setting up error domains and custom error codes for your own project/app ?
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Differences between “java -cp” and “java -jar”?
...he difference between running a Java application with java -cp CLASSPATH and java -jar JAR_FILE_PATH ? Is one of them preferred to the other for running a Java application? I mean which one of these ways is more expensive for JVM (according to their machine resources usage)?
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How to convert Strings to and from UTF8 byte arrays in Java
In Java, I have a String and I want to encode it as a byte array (in UTF8, or some other encoding). Alternately, I have a byte array (in some known encoding) and I want to convert it into a Java String. How do I do these conversions?
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Rails: confused about syntax for passing locals to partials
Understanding Rails "magic" with regards to rendering partials (and passing locals into them).
4 Answers
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How to split a string in shell and get the last field
Suppose I have the string 1:2:3:4:5 and I want to get its last field ( 5 in this case). How do I do that using Bash? I tried cut , but I don't know how to specify the last field with -f .
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How to normalize a NumPy array to within a certain range?
...io /= np.max(np.abs(audio),axis=0)
image *= (255.0/image.max())
Using /= and *= allows you to eliminate an intermediate temporary array, thus saving some memory. Multiplication is less expensive than division, so
image *= 255.0/image.max() # Uses 1 division and image.size multiplications
i...
Keyboard shortcut for Jump to Previous View Location (Navigate back/forward) in IntelliJ IDEA
...(the Recently Edited Files pop-up).
Mac users, replace Ctrl with ⌘ (command) and Alt with ⌥ (option).
Update In v12.0 it's Alt + Shift +← (Left Arrow) instead of Alt + Ctrl + ← (Left Arrow).
Update 2 In v14.1 (and possibly earlier) it's Ctrl + [
Update 3 In IntelliJ IDEA 2016.3 it's C...