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Why doesn't Git ignore my specified file?
...ectory, and in that directory run git status and copy the path to the file from the status output and paste it into the .gitignore.
If that doesn’t work, then it’s likely that your file is already tracked by Git. You can confirm this through the output of git status. If the file is not listed i...
Generating UML from C++ code? [closed]
Is there a tool that can parse C++ files within a project and generate UML from it?
10 Answers
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Why are iframes considered dangerous and a security risk?
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As soon as you're displaying content from another domain, you're basically trusting that domain not to serve-up malware.
There's nothing wrong with iframes per se. If you control the content of the iframe, they're perfectly safe.
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How to concatenate properties from multiple JavaScript objects
...ssign() method is used to copy the values of all enumerable own properties from one or more source objects to a target object. It will return the target object.
MDN documentation on Object.assign()
var o1 = { a: 1 };
var o2 = { b: 2 };
var o3 = { c: 3 };
var obj = Object.assign({}, o1, o...
The relationship could not be changed because one or more of the foreign-key properties is non-nulla
...y and then set the collection of child entities to my new list which comes from the MVC view.
20 Answers
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ES6 class variable alternatives
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@wintercounter the important thing to take from it is that allowing defining properties would define them on the prototype like the methods and not on each instance. Maximally minimal classes is still at its very core prototypical inheritance. What you really want to ...
Refresh image with a new one at the same url
...en you want to cache images, but may need to update them at the server end from time to time without changing the filename itself. AND when you can easily ensure that the correct querystring is added to every image instance in your HTML.
(3) Serve your images with the header Cache-control: max-ag...
How do I edit an incorrect commit message in git ( that I've pushed )?
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The message from Linus Torvalds may answer your question:
Modify/edit old commit messages
Short answer: you can not (if pushed).
extract (Linus refers to BitKeeper as BK):
Side note, just out of historical interest: in BK you co...
How to dynamically compose an OR query filter in Django?
From an example you can see a multiple OR query filter:
13 Answers
13
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How to remove all whitespace from a string?
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I just learned about the "stringr" package to remove white space from the beginning and end of a string with str_trim( , side="both") but it also has a replacement function so that:
a <- " xx yy 11 22 33 "
str_replace_all(string=a, pattern=" ", repl="")
[1] "xxyy112233"
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