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Regex group capture in R with multiple capture-groups
...he capture group:
However, in order for this to work, you must explicitly select elements outside your capture group as mentioned in the gsub() help.
(...) elements of character vectors 'x' which are not substituted will be returned unchanged.
So if your text to be selected lies in the mi...
How can I inspect disappearing element in a browser?
...
An alternative method in Chrome:
Open devTools (F12).
Select the "Sources" tab.
While the element you want is displayed, press F8 (or Ctrl+/). This will break script execution and "freeze" the DOM exactly as it is displayed.
From this point, use Ctrl+Shift+C to select the elemen...
Showing which files have changed between two revisions
...n use gitk.
Run:
$ gitk --all
Right click on a commit of a branch and select Mark this commit in the pop-up menu.
Right click on a commit of another branch and select Diff this -> marked commit or Diff marked commit -> this.
Then there will be a changed files list in the right bottom ...
How can I stop a running MySQL query?
I connect to mysql from my Linux shell. Every now and then I run a SELECT query that is too big. It prints and prints and I already know this is not what I meant. I would like to stop the query.
...
How to use the “required” attribute with a “radio” input field
...buttons they must all have the same name value. This allows only one to be selected at a time and applies required to the whole group.
<form>
Select Gender:<br>
<label>
<input type="radio" name="gender" value="male" required>
Male
</label><b...
Android Lint contentDescription warning
...Graphical Layout and do this:
Click on the right top corner red button
Select "Disable Issue Type" (for example)
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Sublime Text 2 keyboard shortcut to open file in specified browser (e.g. Chrome)
...nch Sublime Text and you should see a new Chrome option in the build list. Select it, and then you should be able to launch Chrome with Cmd+B on a Mac (or whatever hotkey you have configured for build, maybe its F7 or Ctrl+B on a Windows machine)
At least this should give you a push in the right di...
Is there a way to delete a line in Visual Studio without cutting it?
I want to delete a line just like hitting Ctrl + X without anything selected, but without saving the line to the copy stack. Is this possible?
...
Failed to allocate memory: 8
...ini (Device Ram Size in the Hardware list of the GUI). Make sure to either select a "skin" that has a lower value, or to use a manual resolution and to remove this line from the Hardware list - you can't remove it when a skin is selected.
– RedGlyph
Nov 2 '12 a...
How to replace list item in best way
...a", "b");
// {"b", "b", "c", "d"};
var intEnum = intArray.Select(x => x);
intEnum = intEnum.Replace(0, 1);
// {0, 0, 1, 2, 3, 4} => {1, 1, 1, 2, 3, 4}
No code duplication
There is no need to type long linq expressions
There is no need for additional usings
T...