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How to split a string in shell and get the last field
...). How do I do that using Bash? I tried cut , but I don't know how to specify the last field with -f .
17 Answers
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Useful GCC flags for C
...er overflow (formally "undefined behaviour" in C).
-fverbose-asm is useful if you're compiling with -S to examine the assembly output - it adds some informative comments.
-finstrument-functions adds code to call user-supplied profiling functions at every function entry and exit point.
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How to hide status bar in Android
I referred this link . In that if the user clicks on EditText(for ex To: ) at that time keyboard will be popped out and at the same time the user can be able to scroll to see all remaining views(ex: compose,subject, send button) in that screen. Similarly in my app I have one activity in that I am ...
How do I jump out of a foreach loop in C#?
How do I break out of a foreach loop in C# if one of the elements meets the requirement?
11 Answers
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Java 8 Distinct by property
...rite:
persons.stream().filter(distinctByKey(Person::getName))
Note that if the stream is ordered and is run in parallel, this will preserve an arbitrary element from among the duplicates, instead of the first one, as distinct() does.
(This is essentially the same as my answer to this question: J...
How to detect Safari, Chrome, IE, Firefox and Opera browser?
...d to detect browsers by duck-typing.
Only use the browser detection method if it's truly necessary, such as showing browser-specific instructions to install an extension. Use feature detection when possible.
Demo: https://jsfiddle.net/6spj1059/
// Opera 8.0+
var isOpera = (!!window.opr &&...
What is the difference between getFields and getDeclaredFields in Java reflection
I'm a little confused about the difference between the getFields method and the getDeclaredFields method when using Java reflection.
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Why is exception.printStackTrace() considered bad practice?
...e() constitutes valid (not good/great) exception handling behavior, only
if you do not have System.err being reassigned throughout the duration of the application's lifetime,
and if you do not require log rotation while the application is running,
and if accepted/designed logging practice of the a...
When to use Task.Delay, when to use Thread.Sleep?
... Thread.Sleep will block the current thread which causes a context switch. If you're using a thread pool this could also cause a new thread to be allocated. Both operations are quite heavy whereas the cooperative multi-tasking provided by Task.Delay etc is designed to avoid all of that overhead, max...
How to scale an Image in ImageView to keep the aspect ratio
...o make the ImageView resize itself to fit the rescaled image. For example, if you have a rectangular image in what would normally be a square ImageView, adjustViewBounds=true will make it resize the ImageView to be rectangular as well. This then affects how other Views are laid out around the ImageV...