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What does “:=” do?
I've seen := used in several code samples, but never with an accompanying explanation. It's not exactly possible to google its use without knowing the proper name for it.
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What is the Java ?: operator called and what does it do?
I have been working with Java a couple of years, but up until recently I haven't run across this construct:
16 Answers
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Is there a way to collapse all code blocks in Eclipse?
Eclipse has that "+/-" on the left to expand and collapse blocks of code.
15 Answers
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Intellij IDEA crashed, and now throws an error
I work in Intellij IDEA, but my computer freezes so I turn off my computer. (long click power button) When I turned on computer and start IntelliJ IDEA I had this error:
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json_decode to array
I am trying to decode a JSON string into an array but i get the following error.
12 Answers
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What does set -e mean in a bash script?
I'm studying the content of this preinst file that the script executes before that package is unpacked from its Debian archive (.deb) file.
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Benefit of using Parcelable instead of serializing object
As I understand, Bundle and Parcelable belongs to the way Android performs serialization in. It is used for example in passing data between activities. But I wonder, if there are any benefits in using Parcelable instead of classic serialization in case of saving state of my business objects to...
Print JSON parsed object?
I've got a javascript object which has been JSON parsed using JSON.parse I now want to print the object so I can debug it (something is going wrong with the function). When I do the following...
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Using the star sign in grep
I am trying to search for the substring "abc" in a specific file in linux/bash
10 Answers
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Why is “if not someobj:” better than “if someobj == None:” in Python?
I've seen several examples of code like this:
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