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Git: copy all files in a directory from another branch
...s around in the tree, you should be able to just checkout the directory:
git checkout master -- dirname
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Serializing a list to JSON
...n parser and Jil: These may offer superior performance, if you really need it but, you will need to install their respective packages.
If stuck using .Net Core 2.2 or earlier;
Default to using Newtonsoft JSON.Net as your first choice JSON Parser.
e.g.
using Newtonsoft.Json;
var json = JsonConve...
How to form tuple column from two columns in Pandas
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Get comfortable with zip. It comes in handy when dealing with column data.
df['new_col'] = list(zip(df.lat, df.long))
It's less complicated and faster than using apply or map. Something like np.dstack is twice as fast as zip, but wouldn't...
How to edit a node module installed via npm?
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You can edit the file directly, but this would be overwritten whenever npm updates, the best thing to do is go straight to the source.
If the changes affect functionality of the overall module, and may be useful to others, you may wan...
Can angularjs routes have optional parameter values?
Can I set a route with optional params (same template and controller, but some params should be ignored if they don't exist?
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what is the function of webpages:Enabled in MVC 3 web.config
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webPages:enabled with value false prevents .cshtml or .vbhtml files in the Views folder from being directly accessible from a web browser.
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Default parameters with C++ constructors [closed]
Is it good practice to have a class constructor that uses default parameters, or should I use separate overloaded constructors? For example:
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How can I check for an empty/undefined/null string in JavaScript?
...c example. Is there a simple string.Empty available in JavaScript, or is it just a case of checking for "" ?
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MySQL - UPDATE multiple rows with different values in one query
I am trying to understand how to UPDATE multiple rows with different values and I just don't get it. The solution is everywhere but to me it looks difficult to understand.
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Why is 'this' a pointer and not a reference?
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When the language was first evolving, in early releases with real users, there were no references, only pointers. References were added when operator overloading was added, as it requires references to work consistently.
One of the uses of this is for an object to get a pointer to...