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C# elegant way to check if a property's property is null
In C#, say that you want to pull a value off of PropertyC in this example and ObjectA, PropertyA and PropertyB can all be null.
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Delete multiple remote branches in git
I have a team member who inadvertently pushed over 150 of his local branches to our central repo. Thankfully, they all have the same prefix. Using that prefix, is there a git command or cool little shell script I can use that will delete all of those at once?
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Reading a List from properties file and load with spring annotation @Value
I want to have a list of values in a .properties file, ie:
16 Answers
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Get index of array element faster than O(n)
Given I have a HUGE array, and a value from it. I want to get index of the value in array. Is there any other way, rather then call Array#index to get it? The problem comes from the need of keeping really huge array and calling Array#index enormous amount of times.
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Relationship between hashCode and equals method in Java [duplicate]
I read in many places saying while override equals method in Java, should override hashCode method too, otherwise it is "violating the contract".
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How can I add new array elements at the beginning of an array in Javascript?
I have a need to add or prepend elements at the beginning of an array.
12 Answers
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Open a new tab in gnome-terminal using command line [closed]
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How to use ssh agent forwarding with “vagrant ssh”?
Rather than create a new SSH key pair on a vagrant box, I would like to re-use the key pair I have on my host machine, using agent forwarding . I've tried setting config.ssh.forward_agent to TRUE in the Vagrantfile, then rebooted the VM, and tried using:
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angularjs: ng-src equivalent for background-image:url(…)
In angularjs you have the tag ng-src which has the purpose that you won't receive an error for an invalid url before angularjs gets to evaluate the variables placed in between {{ and }} .
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How to format strings in Java
Primitive question, but how do I format strings like this:
8 Answers
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