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Missing return statement in a non-void method compiles
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So why this code gives compile time error:public int doNotReturnAnything() { boolean flag = true; while (flag) { //Do something } //no return } This code also does not have a break point. So now how the compiler...
What's an easy way to read random line from a file in Unix command line?
What's an easy way to read random line from a file in Unix command line?
13 Answers
13...
JSLint is suddenly reporting: Use the function form of “use strict”
...ok on Grunt:
If we try it now, we will scan our Gruntfile… and get some errors:
$ grunt jshint
Running "jshint:all" (jshint) task
Linting Gruntfile.js...ERROR
[L1:C1] W097: Use the function form of "use strict".
'use strict';
Linting Gruntfile.js...ERROR
[L3:C1] W117: 'module' is not defined.
mo...
Insert a line at specific line number with sed or awk
I have a script file which I need to modify with another script to insert a text at the 8th line.
9 Answers
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jQuery remove all list items from an unordered list
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$("ul").empty() works fine. Is there some other error?
$('input').click(function() {
$('ul').empty()
});
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<ul>
<li>test</li>
<li>te...
How to convert a String to CharSequence?
...for OP's question by posting my own trouble. I'm working in Scala, but the error messages I'm getting all reference Java types, and the error message reads a lot like the compiler complaining that CharSequence is not a String. I confirmed in the source code that String implements the CharSequence i...
Why use finally in C#?
...d close the stream, data reader, etc. in the finally, if you don't when it errors the connection doesn't get closed, this is really bad with db requests
SqlConnection myConn = new SqlConnection("Connectionstring");
try
{
myConn.Open();
//make na DB Request ...
How should I escape strings in JSON?
When creating JSON data manually, how should I escape string fields? Should I use something like Apache Commons Lang's StringEscapeUtilities.escapeHtml , StringEscapeUtilities.escapeXml , or should I use java.net.URLEncoder ?
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How to tell if a file is git tracked (by shell exit code)?
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try:
git ls-files --error-unmatch <file name>
will exit with 1 if file is not tracked
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How do I install an R package from source?
...packages("/tmp/shiny_0.13.1.tar.gz", repos=NULL, type="source") i get this error: -ksh: syntax error: `(' unexpected
– iaav
Jul 11 '16 at 20:55
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