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Inserting image into IPython notebook markdown

... Yes, Jupyter has moved on a bit in the last three years and this answer is quite obsolete. – Mike Oct 24 '18 at 6:31 add a comme...
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How to create a UIView bounce animation?

... so check out the UIDynamicAnimator Class reference in the docs. Here's a bit of the code from the Teenhanlax tutorial: self.animator = [[UIDynamicAnimator alloc] initWithReferenceView:self.view]; UIGravityBehavior* gravityBehavior = [[UIGravityBehavior alloc] initWithItems:@[sel...
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Found conflicts between different versions of the same dependent assembly that could not be resolved

...(x86)\MSBuild\12.0\bin) to build your solution from command line and get a bit more details, then find the .csproj. that logs the warning and check its references and references of other projects that use the same common assembly that differs in version. Edit: You can also set the build verbosity d...
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JavaScript string encryption and decryption?

... After playing a bit the components are the separated parts. You will need to know which components to take (and in what order) to make it work. The rollups files contain everything you need to make it work with just one script reference (muc...
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Can not connect to local PostgreSQL

... the permissions on the socket file and its directories /var and /var/pgsql_socket. Your Rails app (OSX user) must have execute (x) permissions on these directories (preferably grant everyone permissions) and the socket should have full permissions (wrx). You can use ls -lAd <file> to check t...
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Android 4.3 Bluetooth Low Energy unstable

...n completely in Samsung Galaxy S3 with Android 4.3 and doesn't work for 128bit UUIDs in general. Gatt always can process one command at a time. If several commands get called short after another, the first one gets cancelled due to the synchronous nature of the gatt implementation. I often see even ...
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How can I import a database with MySQL from terminal?

...33 Black 10.9k1919 gold badges8989 silver badges165165 bronze badges answered Dec 28 '10 at 14:34 anonanon ...
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Heroku/devise - Missing host to link to! Please provide :host parameter or set default_url_options[:

... Codeglot's anwser above does the job, but we wanted something a bit more flexible, so we did this: On Heroku, we run multiple Production environments for staging and testing, so we need a flexible solution for the production.rb environment file. In production.rb config.action_mailer.de...
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How to implement a many-to-many relationship in PostgreSQL?

...s of data type numeric to store fractional numbers precisely as entered (arbitrary precision type instead of floating point type). If you deal with whole numbers exclusively, make that integer. For example, you could save prices as Cents. The amount ("Products" in your question) goes into the linki...
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How do I get the path of a process in Unix / Linux

... A little bit late, but all the answers were specific to linux. If you need also unix, then you need this: char * getExecPath (char * path,size_t dest_len, char * argv0) { char * baseName = NULL; char * systemPath = NULL; ...