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Order data frame rows according to vector with specific order
...et contains exactly the same elements as df$name, and neither contain duplicate values.
From ?match:
match returns a vector of the positions of (first) matches of its first argument
in its second.
Therefore match finds the row numbers that matches target's elements, and then we return df in tha...
image.onload event and browser cache
...ert box after an image is loaded, but if the image is saved in the browser cache, the .onload event will not be fired.
5 ...
Postgres: Distinct but only for one column
...pgsql with names (having more than 1 mio. rows), but I have also many duplicates. I select 3 fields: id , name , metadata .
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Using Core Data, iCloud and CloudKit for syncing and backup and how it works together
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It's like this:
Core Data on its own, is completely local and does not automatically work with any of Apple's cloud services.
Core Data with iCloud enabled turns on syncing via iCloud. Any changes you save in Core Data are propagated to the cloud, and any changes made in the clo...
Sorting dropdown alphabetically in AngularJS
...ough the use of ng-options which is hooked to a controller that in turn is calling a service. Unfortunately the data coming in is a mess and I need to be able to sort it alphabetically.
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GitHub: make fork an “own project”
...ce GitHub project which I extended a lot. I believe my changes are good, because they are working. But it seems the original author hasn't got the time to review these changes and include them. In fact, it is even possible that the features I need and implemented are not in the vision of the origina...
HTTP 401 - what's an appropriate WWW-Authenticate header value?
The application I'm working on at the moment has a session timeout value. If the user hasn't interacted for longer than this value, the next page they try to load, they will be prompted to log in.
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Find first element in a sequence that matches a predicate
...t an idiomatic way to find the first element in a list that matches a predicate.
4 Answers
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How do I put double quotes in a string in vba?
...e & sPath & vbDoubleQuote, vbNormalFocus
– gicalle
Sep 11 '14 at 9:34
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Why is git prompting me for a post-pull merge commit message?
...etailed and could reduce the overall frequency of unnecessary merges.
You can use the --no-edit flag to avoid this behavior, but, well, don't. Merge commits, like any commits to history, should be well constructed. Your history should be nothing but useful.
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