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brew install gcc too time consuming
...led. These are separate from XCode proper. You can install them with xcode-select --install.
There is no particular need to install a particular version of gcc (and I think those may not be bottled, so they will be equally slow).
In general, interrupting Homebrew with Ctrl+C is safe and Homebrew w...
Does Python have a ternary conditional operator?
... This one emphasizes the primary intent of the ternary operator: value selection. It also shows that more than one ternary can be chained together into a single expression.
– Roy Tinker
Oct 4 '10 at 21:14
...
How to clear jQuery validation error messages?
...inputs were dynamically appended during runtime). As a result, sometimes a select dropdown would need validation, and sometimes it would not. However, by the end of the ordeal, it needed to be validated. As a result, I needed a robust method which was not a workaround. I consulted the source code fo...
Do I need elements in persistence.xml?
...in Eclipse (Kepler tested):
Right click on the project, click Properties, select JPA, in the Persistence class management tick Discover annotated classes automatically.
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Check if an element contains a class in JavaScript?
...
Element.matches()
element.matches(selectorString)
According to MDN Web Docs:
The Element.matches() method returns true if the element would be selected by the specified selector string; otherwise, returns false.
Therefore, you can use Element.matches() to d...
Do you debug C++ code in Vim? How? [closed]
...ey are able to jump around definitions in a C++ class aware manner without selecting and installing several different plugins themselves, and that includes while step debugging stuff. As of 2020 the least worst one for me was Eclipse: https://www.slant.co/topics/1411/~best-ides-for-c-on-linux
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How to recover a dropped stash in Git?
...t/ {print $3}'
...or using Powershell for Windows:
git fsck --no-reflog | select-string 'dangling commit' | foreach { $_.ToString().Split(" ")[2] }
This will show you all the commits at the tips of your commit graph which are no longer referenced from any branch or tag – every lost commit, inclu...
How I can delete in VIM all text from current line to end of file?
...
Just add another way , in normal mode , type ctrl+v then G, select the rest, then D, I don't think it is effective , you should do like @Ed Guiness, head -n 20 > filename in linux.
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Environment variables for java installation
...ava\jdk1.7.0_79 (depending on your JDK installation path it varies).
Then select the Path system variable and click Edit.... Keep the variable name as Path, and append C:\Program Files\Java\jdk1.7.0_79\bin; or %JAVA_HOME%\bin; (both mean the same) to the variable value.
Once you are done with abov...
How do I convert a dictionary to a JSON String in C#?
...Json(Dictionary<int, List<int>> dict)
{
var entries = dict.Select(d =>
string.Format("\"{0}\": [{1}]", d.Key, string.Join(",", d.Value)));
return "{" + string.Join(",", entries) + "}";
}
But, if you are serializing several different classes, or more complex data stru...