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Test if something is not undefined in JavaScript
...", instead of a useful message about an "un-caught exception @ line 123 of file xyz.js". Eventually a second developer will probably comment out the console.log() statement, making it more difficult for a 3rd developer to come in and fix a bug happening deep within doSomething().
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What do the parentheses around a function name mean?
In one of my project source files, I found this C function definition:
3 Answers
3
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Which version of MVC am I using?
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Open web.config file and find the System.Web.Mvc assembly definition:
assembly="System.Web.Mvc, Version=3.0.0.0 ..."
It's an MVC3 as you see. Via web you can use MvcDiagnostics which is similar to phpinfo() functionality in PHP.
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Java inner class and static nested class
...mport a static nested class directly, i.e. you could do (at the top of the file): import OuterClass.StaticNestedClass; then reference the class just as OuterClass.
– Camilo Díaz Repka
Jul 16 '11 at 0:22
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Is there a macro recorder for Eclipse? [closed]
... using Eclipse Mars and it works great. In order to make it work, then the file PracticallyMacro_0.4.9.jar needs to be put in the eclipse/downloads/plugins directory (create the plugins directory if it doesn't exist). You can edit macros by going to Windows/Preferences/Practically Macro Options and ...
STAThread and multithreading
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Couldn't something like a Font or File dialog use COM without you knowing? I would assume they do internally, wouldn't that mean that almost any Windows Forms application would require STAThread to be set? Forgive my naieve assumption as I've not actually don...
Android: how to hide ActionBar on certain activities
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1.Go to your manifest.xml file.
2.Find the activity tag for which you want to hide your ActionBar and then add ,
android:theme="@style/Theme.AppCompat.NoActionBar"
<activity
android:name=".MainActivity"
and...
How do you input commandline argument in IntelliJ IDEA?
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@PanCrit In my console when I do java MyClass < someFileName.txt it works, but when I add < someFileName.txt to program arguments in intelliJ, it does return Error: Could not find or load main class < Any idea how to solve it?
– maytham-ɯɐɥʇʎ...
Proper way to initialize a C# dictionary with values?
I am creating a dictionary in a C# file with the following code:
6 Answers
6
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Get selected value of a dropdown's item using jQuery
...t()
is getting old, try adding these little crumpets to your global *.js file:
function soval(a) {
return $('option:selected', a).val();
}
function sotext(a) {
return $('option:selected', a).text();
}
and just write soval("#selector"); or sotext("#selector"); instead! Get even fancier b...