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Merge two Git repositories without breaking file history

...mmits to the local repo after adding the remote) git remote add --fetch old_a <OldA repo URL> # Merge the files from old_a/master into new/master git merge old_a/master --allow-unrelated-histories # Move the old_a repo files and folders into a subdirectory so they don't collide with the othe...
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Change one value based on another value in pandas

...ere. Assuming you can load your data directly into pandas with pandas.read_csv then the following code might be helpful for you. import pandas df = pandas.read_csv("test.csv") df.loc[df.ID == 103, 'FirstName'] = "Matt" df.loc[df.ID == 103, 'LastName'] = "Jones" As mentioned in the comments, you ...
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What does the “===” operator do in Ruby? [duplicate]

...ux flurb else blarf end gets translated to something (roughly) like _temp = foo if bar === _temp baz elsif quux === _temp flurb else blarf end Note that if you want to search for this operator, it is usually called the triple equals operator or threequals operator or case equality op...
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mysql :: insert into table, data from another table?

... INSERT INTO action_2_members (campaign_id, mobile, vote, vote_date) SELECT campaign_id, from_number, received_msg, date_received FROM `received_txts` WHERE `campaign_id` = '8' ...
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Changing selection in a select with the Chosen plugin

...-selected", function() { var locID = jQuery(this).attr('class').split('__').pop(); // I have a class name: class="result-selected locvalue__209" var arrayCurrent = jQuery('#searchlocation').val(); var index = arrayCurrent.indexOf(locID); if (index > -1) { arrayCurrent....
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How to correctly save instance state of Fragments in back stack?

...tManager() .beginTransaction() .add(R.id.my_container, myFragment, MY_FRAGMENT_TAG) .commit(); } else { myFragment = (MyFragment) getSupportFragmentManager() .findFragmentByTag(MY_FRAGMENT_TAG); } ... } Note however th...
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How to explicitly discard an out argument?

...ublic void PrintXCoordinate(Point p) { p.GetCoordinates(out int x, out _); // I only care about x WriteLine($"{x}"); } Source: https://blogs.msdn.microsoft.com/dotnet/2017/03/09/new-features-in-c-7-0/ share ...
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How do I perform a Perl substitution on a string while keeping the original?

... I was wondering if something like my $new = $_ for $old =~ s/foo/bar; would work? – Benoit Apr 30 '14 at 17:11 ...
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What's the most elegant way to cap a number to a segment? [closed]

...a-library" answer but just in case you're using Lodash you can use .clamp: _.clamp(yourInput, lowerBound, upperBound); So that: _.clamp(22, -10, 10); // => 10 Here is its implementation, taken from Lodash source: /** * The base implementation of `_.clamp` which doesn't coerce arguments. * * ...
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Oracle query to fetch column names

... The Oracle equivalent for information_schema.COLUMNS is USER_TAB_COLS for tables owned by the current user, ALL_TAB_COLS or DBA_TAB_COLS for tables owned by all users. Tablespace is not equivalent to a schema, neither do you have to provide the tablespace name....