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add a string prefix to each value in a string column using Pandas
... "astype(str)" might ruin the encoding if you are trying to save to a file in the end.
– Raein Hashemi
May 24 '19 at 16:10
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When should a class be Comparable and/or Comparator?
...aring two instances of a type - e.g. you could compare people by age, name etc.
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What is the Java equivalent for LINQ? [closed]
...mething in the plan? integrated into the language? IS ther a JCP number? etc etc.
– Cheeso
Aug 1 '09 at 18:58
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How do I tell git-svn about a remote branch created after I fetched the repo?
... the new tree but remotes/newbranch will still be disconnected.
Go to the file .git/refs/remotes/newbranch and edit it to contain the full SHA1 of the new commit (on the rebased newbranch) that corresponds to the old commit it's currently pointing at. (Or maybe use git-update-ref refs/remotes/newbr...
GitHub clone from pull request?
...yself referencing this SO answer often, so I stuck this into my .gitconfig file under [alias]: pr = "!f() { git fetch $1 pull/$2/head:pull_$2; git co pull_$2; }; f". That way I just type git pr upstream 62 and next thing I know, I am on a new branch of PR #62 from upstream! If you always use origin ...
Subtract days from a date in JavaScript
...mber, use one of the Date toString methods like toISOString, toDateString, etc.
– Bad Request
Feb 2 '15 at 19:26
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do { … } while (0) — what is it good for? [duplicate]
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@LarryF: The problem is, if you're writing a header file for use by others, you don't get to choose how other people are going to use your macro. In order to avoid unexpected surprises inflicted upon your users, you have to use a technique like the above to make your macro beh...
Extracting just Month and Year separately from Pandas Datetime column
...column'].dt.to_period('M')
You could also use D for Day, 2M for 2 Months etc. for different sampling intervals, and in case one has time series data with time stamp, we can go for granular sampling intervals such as 45Min for 45 min, 15Min for 15 min sampling etc.
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Do sessions really violate RESTfulness?
...ssions. Like reading the name and email address, or listing their friends, etc... After allowing a 3rd party client the server will generate an access token. These access token can be used by the 3rd party client to access the permissions granted by the user, like so:
Figure 2. - Stateless auth...
Building a complete online payment gateway like Paypal [closed]
...tails on comms format for authorization requests and end of day settlement files
Set up a test merchant account and develop auth/settlement software and go through the accreditation process. Most acquirers help you through this process for free, but when you want to register as an accredited PSP som...