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Eloquent Collection: Counting and Detect Empty
This may be a trivial question but I am wondering if Laravel recommends a certain way to check whether an Eloquent collection returned from $result = Model::where(...)->get() is empty, as well as counting the number of elements.
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Using Regex to generate Strings rather than match them
...fy a regex for Strings so that my generator spits out things which match this. Is there something out there already baked which I can use to do this? Or is there a library which gets me most of the way there?
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Static nested class in Java, why?
I was looking at the Java code for LinkedList and noticed that it made use of a static nested class, Entry .
14 Answers
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How to resize the AVD emulator (in Eclipse)?
...Devices
Select the AVD you want to launch and click Start
Check the Scale display to real size button
Enter how big you want it to appear in inches and press Launch. For this to work, you'll have to also enter a reasonable approximation of your mac's screen resolution. I'm using 7 inches and 113 d...
What's the difference between 'git merge' and 'git rebase'?
...r Dan created commit D, and developer Ed created commit E:
Obviously, this conflict should be resolved somehow. For this, there are 2 ways:
MERGE:
Both commits D and E are still here, but we create merge commit M that inherits changes from both D and E. However, this creates diamond shape, wh...
How to make an Android Spinner with initial text “Select One”?
...use a Spinner that initially (when the user has not made a selection yet) displays the text "Select One". When the user clicks the spinner, the list of items is displayed and the user selects one of the options. After the user has made a selection, the selected item is displayed in the Spinner inste...
How do I position one image on top of another in HTML?
...ing to avoid compositing (with ImageMagick and similar) due to performance issues.
10 Answers
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Best way to detect when a user leaves a web page?
What is the best way to detect if a user leaves a web page?
8 Answers
8
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Anything wrong with NOT signing a .NET assembly?
One of my colleagues is very keen on signing assemblies. He literally tries to sign anything. Even when we use assemblies from Microsoft that are not signed, he will take the source code, sign it and then ask other developers to use his copy instead.
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“Cannot evaluate expression because the code of the current method is optimized” in Visual Studio 20
I am using Visual Studio 2010 in debug mode and I have "optimize code" unchecked. I can't quick watch (or hover on) any variable in the debugger. I get this error "Cannot evaluate expression because the code of the current method is optimized".
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