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Python - List of unique dictionaries

...ould be faster and easier. EDIT: Now there is a comment from André Lima explicitly saying that if the ID is a duplicate, it's safe to assume that the whole dict is a duplicate. So this answer is overkill and I recommend @gnibbler's answer. ...
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My docker container has no internet

...ocker container. If it has an invalid DNS server, such as nameserver 127.0.x.x, then the container will not be able to resolve the domain names into ip addresses, so ping google.com will fail. Second thing to check is run cat /etc/resolv.conf on the host machine. Docker basically copies the host's ...
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Column order manipulation using col-lg-push and col-lg-pull in Twitter Bootstrap 3

...for the official release (v3 and v4) I couldn't even find the col-lg-push-x or pull classes in the original files for RC1 i downloaded, so check your bootstrap.css file. hopefully this is something they will sort out in RC2. anyways, the col-push-* and pull classes did exist and this will suit you...
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Pick a random element from an array

...y selection: let array = ["Frodo", "sam", "wise", "gamgee"] let randomIndex = Int(arc4random_uniform(UInt32(array.count))) print(array[randomIndex]) The castings are ugly, but I believe they're required unless someone else has another way. ...
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How to resize a VirtualBox vmdk file

...e interested in using the disk in vwmare too), the complete steps are: VBoxManage clonemedium "source.vmdk" "cloned.vdi" --format vdi VBoxManage modifymedium "cloned.vdi" --resize 51200 VBoxManage clonemedium "cloned.vdi" "resized.vmdk" --format vmdk The above will resize the hard disk up to 50GB...
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How do you render primitives as wireframes in OpenGL?

...RONT_AND_BACK, GL_FILL ); to go back to normal. Note that things like texture-mapping and lighting will still be applied to the wireframe lines if they're enabled, which can look weird. share | i...
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How to pass an object from one activity to another on Android

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Why is ArrayDeque better than LinkedList

... @AndreiI, this only one side of the story. Even if you exclude the iteration costs for real time application and ability to prealloc the needed capacity, the GC may need to iterate the entire LinkedList. Basically you are moving the costs (which are higher to boot) into the GC. ...
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What is the format specifier for unsigned short int?

... "%h" modifier: scanf("%hu", &length); ^ ISO/IEC 9899:201x - 7.21.6.1-7 Specifies that a following d , i , o , u , x , X , or n conversion specifier applies to an argument with type pointer to short or unsigned short. ...
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What is the difference between varchar and varchar2 in Oracle?

...n who wrote the incorrect comment I was responding to. The fact that where x is NULL returns different results from where x = '' does not mean that NULL and '' are in any way different. The different behavior is due to the = operator. – Dan Lenski Apr 8 '17 at ...