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Differences in boolean operators: & vs && and | vs ||
...wers here, but they all seem a bit confusing. So after doing some research from the Java oracle study guide, I've come up with three different scenarios of when to use && or &.
The three scenarios are logical AND, bitwise AND, and boolean AND.
Logical AND:
Logical AND (aka Conditional A...
IllegalArgumentException or NullPointerException for a null parameter? [closed]
...should I throw an IllegalArgumentException , or a NullPointerException ? From the javadocs, both seem appropriate. Is there some kind of an understood standard? Or is this just one of those things that you should do whatever you prefer and both are really correct?
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Access to private inherited fields via reflection in Java
... Vector is bad old code. Please use a current data structure from the collections framework (ArrayList is adequate in most cases)
– Sean Patrick Floyd
Aug 25 '10 at 15:58
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Setting environment variables for accessing in PHP when using Apache
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is this any different from using a .env file such as the way laravel does this? Does this make it any way less secure? I ask this because I'm building the same backend structure with multiple frameworks (laravel, express, django, etc.) and some de...
Using FileSystemWatcher to monitor a directory
...ample. The file may be created by another program (Explorer.exe copying it from somewhere) but it will take minutes to finish that process. The event is raised at creation time and you need to wait for the file to be ready to be copied.
You can wait for a file to be ready by using this function in...
How do I have to configure the proxy settings so Eclipse can download new plugins?
...ould not load. Also note that once you set this setting, the settings read from the environment override the Eclipse proxy settings.
– Parisbre56
Oct 10 '17 at 13:56
add a com...
Error: Could not create the Java Virtual Machine Mac OSX Mavericks
I just installed the latest Java SDK 7-67 from Oracle on the Mac 10.9.4. I then ran the command java -v in Terminal and I get this message:
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Regarding 'main(int argc, char *argv[])' [duplicate]
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Those are for passing arguments to your program, for example from command line, when a program is invoked
$ gcc mysort.c -o mysort
$ mysort 2 8 9 1 4 5
Above, the program mysort is executed with some command line parameters. Inside main( int argc, char * argv[]), this would result ...
How to find a parent with a known class in jQuery?
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Extracted from @Resord's comments above. This one worked for me and more closely inclined with the question.
$(this).parent().closest('.a');
Thanks
share
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How do you make div elements display inline?
... incorrect answer based on not providing enough information. My clue comes from the use of br tag.
Apologies to Darryl. I read class="inline" as style="display: inline". You have the right answer, even if you do use semantically questionable class names ;-)
The miss use of br to provide structura...