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Why not abstract fields?
...ring doSomething() {
return errMsg + " from something";
}
}
If your child class "forgets" to initialise the final through the super constructor the compiler will give a warning an error, just like when an abstract method is not implemented.
...
Suppress warning CS1998: This async method lacks 'await'
...ou can take advantage of the fact that async is an implementation detail.
If you have nothing to await, then you can just return Task.FromResult:
public Task<int> Success() // note: no "async"
{
... // non-awaiting code
int result = ...;
return Task.FromResult(result);
}
In the case ...
How to run Unix shell script from Java code?
...
Note that that you may need to specify the program /bin/bash or sh to execute the script within depending on Java's configuration (see stackoverflow.com/questions/25647806/…)
– Ben Holland
Feb 27 '18 at 3:00
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Why is there a `null` value in JavaScript?
...g this weird undefined that will fail later, is a big source of debugging difficulty.
*: you could also argue that (2) should throw an exception, but then you'd have to provide a better, more explicit mechanism for default/variable arguments.
However JavaScript didn't originally have exceptions, o...
Removing the title text of an iOS UIBarButtonItem
...:UIBarMetricsDefault];
Then you can remove the back button item title.
If you use Storyboard, you can set navigation attributes inspector Back Button with space.
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How to install APK from PC?
...
If they use Gmail, you can email the APK to them, and when they receive the email in the Android Gmail client the email has an "Install" button on it. Installing apps via Gmail is very easy, however do note that before anyone...
Can't push to GitHub because of large file which I already deleted
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Note that if you want apply these changes to ALL branches, you need to use a --all flag instead of HEAD
– Nick Spreitzer
Apr 20 '16 at 23:42
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How to add parameters to HttpURLConnection using POST using NameValuePair
...boolean first = true;
for (NameValuePair pair : params)
{
if (first)
first = false;
else
result.append("&");
result.append(URLEncoder.encode(pair.getName(), "UTF-8"));
result.append("=");
result.append(URLEncoder.encode(pa...
Concatenating Files And Insert New Line In Between Files
...e the file finalfile.txt does not exist before you run the above command.
If you are allowed to use awk you can do:
awk 'FNR==1{print ""}1' *.txt > finalfile.txt
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Is there a float input type in HTML5?
According to html5.org , the "number" input type's "value attribute, if specified and not empty, must have a value that is a valid floating point number."
...