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C pointer to array/array of pointers disambiguation
... third one is same as the first.
The general rule is operator precedence. It can get even much more complex as function pointers come into the picture.
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Check empty string in Swift?
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There is now the built in ability to detect empty string with .isEmpty:
if emptyString.isEmpty {
print("Nothing to see here")
}
Apple Pre-release documentation: "Strings and Characters".
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Differences between fork and exec
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The use of fork and exec exemplifies the spirit of UNIX in that it provides a very simple way to start new processes.
The fork call basically makes a duplicate of the current process, identical in almost every way. Not everything is copied over (for example, resource l...
How to deal with IntelliJ IDEA project files under Git source control constantly changing?
Everyone on our team uses IntelliJ IDEA, and we find it useful to put its project files (.ipr and .iml) into source control so that we can share build configurations, settings, and inspections. Plus, we can then use those inspection settings on our continuous integration server with TeamCity. (We ha...
How do I pass a command line argument while starting up GDB in Linux? [duplicate]
I have to debug a program that has errors in it as part of my assignment. However, I must first pass command line arguments in order to solve this problem.
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Handling file renames in git
I'd read that when renaming files in git , you should commit any changes, perform your rename and then stage your renamed file. Git will recognise the file from the contents, rather than seeing it as a new untracked file, and keep the change history.
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Developing cross platform mobile application [closed]
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My answer here covers some of the technical limitations of cross-platfrom tools but let me expand a bit:
I think that cross-platform tools have historically always been also-rans because such tools have the wrong philosophical focus.
All the selling points for cross-pl...
Android, ListView IllegalStateException: “The content of the adapter has changed but ListView did no
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I had the same issue.
I was adding items to my ArrayList outside the UI thread.
Solution: I have done both, adding the items and called notifyDataSetChanged() in the UI thread.
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CSS overflow-x: visible; and overflow-y: hidden; causing scrollbar issue
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After some serious searching it seems i've found the answer to my question:
from: http://www.brunildo.org/test/Overflowxy2.html
In Gecko, Safari, Opera, ‘visible’
becomes ‘auto’ also when combined with
‘hidden’ (in other words: ‘vi...
Explanation of the UML arrows
I have recently been studying UML and drawing simple diagrams with ordinary plain arrows between classes, but I know it's not enough. There are plenty of other arrows: generalization, realisation and etc. which have meaning to the diagram reader.
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