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How do I make a textbox that only accepts numbers?
... only accept integer values. In the past I've done this kind of validation by overloading the KeyPress event and just removing characters which didn't fit the specification. I've looked at the MaskedTextBox control but I'd like a more general solution that could work with perhaps a regular expressio...
Run class in Jar file
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By trying the above I am getting the error Exception in thread "main" java.lang.NoClassDefFoundError: cucumber/api/cli/Main at com.company.project.demo.bdd.runner.Execute.main(Execute.java:20) Caused by: java.lang.Cla...
What is Prefix.pch file in Xcode?
... is a file whose text may be automatically included in another source file by the C preprocessor, usually specified by the use of compiler directives in the source file.
Prefix headers are compiled and stored in a cache, and then automatically included in every file during compilation. This can spe...
How to make a JTable non-editable
...non-editable? I don't want my users to be able to edit the values in cells by double-clicking them.
7 Answers
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Naming conventions for abstract classes
I distinctly remember that, at one time, the guideline pushed by Microsoft was to add the "Base" suffix to an abstract class to obviate the fact that it was abstract. Hence, we have classes like System.Web.Hosting.VirtualFileBase , System.Configuration.ConfigurationValidatorBase , System.Windows....
Right way to initialize an OrderedDict using its constructor such that it retains order of initial d
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# An OD is represented by a list of tuples, so would this work?
d = OrderedDict([('b', 2), ('a', 1)])
Yes, that will work. By definition, a list is always ordered the way it is represented. This goes for list-comprehension too, the list generat...
How to disable HTML links
...for example, Bootstrap 3.x does. Currently (2016) it's well supported only by Chrome, FireFox and Opera (19+). Internet Explorer started to support this from version 11 but not for links however it's available in an outer element like:
span.disable-links {
pointer-events: none;
}
With:
<s...
Can an AngularJS controller inherit from another controller in the same module?
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In response to the issue raised in this answer by gmontague, I have found a method to inherit a controller using $controller(), and still use the controller "as" syntax.
Firstly, use "as" syntax when you inherit calling $controller():
app.controller('ParentCtrl', f...
Git merge errors
... conflicts, as described in the git manual.
Once you've dealt with that by either technique you should be able to checkout the 9-sign-in-out branch. The problem with just renaming your 9-sign-in-out to master, as suggested in wRAR's answer is that if you've shared your previous master branch wit...
How can I use grep to show just filenames on Linux?
... in the POSIX locale. In other locales, standard input may be
replaced by something more appropriate in those locales.
You also do not need -H in this case.
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