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android on Text Change Listener
I have a situation, where there are two fields. field1 and field2 . All I want
to do is empty field2 when field1 is changed and vice versa. So at the end only
one field has content on it.
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Debugging with command-line parameters in Visual Studio
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Spot on. But apparently in VS2017 it's not called "Debugging", but "Debug". We may never know why.
– OmarL
Oct 16 '17 at 14:43
3
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How can I delete a newline if it is the last character in a file?
...e:
perl -pi -e 'chomp if eof' filename
[Editor's note: -pi -e was originally -pie, but, as noted by several commenters and explained by @hvd, the latter doesn't work.]
This was described as a 'perl blasphemy' on the awk website I saw.
But, in a test, it worked.
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How to Correctly Use Lists in R?
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Just to address the last part of your question, since that really points out the difference between a list and vector in R:
Why do these two expressions not return the same result?
x = list(1, 2, 3, 4); x2 = list(1:4)
A list can contain any other class as each element. So you can ha...
What is the X-REQUEST-ID http header?
...ates. If a client receives an error it can include the ID in a bug report, allowing the server operator to look up the corresponding log statements (without having to rely on timestamps, IPs, etc).
As this ID is generated (randomly) by the client it does not contain any sensitive information, and s...
Difference between Service, Async Task & Thread?
... is the difference between Service, Async Task & Thread. If i am not wrong all of them are used to do some stuff in background. So, how to decide which to use and when?
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What does the “static” modifier after “import” mean?
...on. Where the normal import
declaration imports classes from
packages, allowing them to be used
without package qualification, the
static import declaration imports
static members from classes, allowing
them to be used without class
qualification.
So when should you use static imp...
Java 8 Streams - collect vs reduce
...cat)
We would get the desired result, and it would even work in parallel.
However, we might not be happy about the performance! Such an
implementation would do a great deal of string copying, and the run
time would be O(n^2) in the number of characters. A more performant
approach wou...
Android: ProgressDialog.show() crashes with getApplicationContext
...t some of the code in the onCreate() is being run before the window is actually done being built. This is going to be a hack, but try launching a new Thread in a few hundred milliseconds (IIRC: 300-400 seemed to work for me, but you'll need to tinker) that opens your ProgressDialog and starts anythi...
Find Results not displaying Results
...ws displays summary information, but not the actual lines matched. This is all my Find Results window displays:
7 Answers
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