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Named capturing groups in JavaScript regex?
...[^ $]*)/.exec(auth)
console.log(token) // "Prints AUTHORIZATION_TOKEN"
If you need to support older browsers, you can do everything with normal (numbered) capturing groups that you can do with named capturing groups, you just need to keep track of the numbers - which may be cumbersome if the ord...
Changing the maximum length of a varchar column?
...olumn <<new_datatype>> [NULL | NOT NULL]
But remember to specify NOT NULL explicitly if desired.
ALTER TABLE YourTable ALTER COLUMN YourColumn VARCHAR (500) NOT NULL;
If you leave it unspecified as below...
ALTER TABLE YourTable ALTER COLUMN YourColumn VARCHAR (500);
Then the co...
Set a persistent environment variable from cmd.exe
I have to set environment variables on different windows machines, but I don't want to be bothered changing them manually by getting on the properties screen of "My Computer"
...
How to right align widget in horizontal linear layout Android?
...inning? Why does it need help from this other view? And how is it "right", if it is not, without the extra view?
– afrish
Oct 18 '14 at 15:48
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How to update maven repository in Eclipse?
... while preserving your .project settings and other eclipse config files.
If you want to clear your old settings for whatever reason, you can run:
mvn eclipse:clean
mvn eclipse:eclipse
mvn eclipse:clean will erase your old settings, then mvn eclipse:eclipse will create new .project, .classpath a...
How to remove a lua table entry by its key?
...nality includes renumbering the indices, which your override would not do. If you do want to add your function to the table function set, then I'd probably name it something like table.removekey() or some such.
share
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Unresolved external symbol on static class members
...
If you are using C++ 17 you can just use the inline specifier (see https://stackoverflow.com/a/11711082/55721)
If using older versions of the C++ standard, you must add the definitions to match your declarations of X and Y
u...
How do I save and restore multiple variables in python?
...
If you need to save multiple objects, you can simply put them in a single list, or tuple, for instance:
import pickle
# obj0, obj1, obj2 are created here...
# Saving the objects:
with open('objs.pkl', 'w') as f: # Python ...
How do I install a plugin for vim?
...do
vim_dir = File.expand_path("~/.vim")
plugin_dir = Dir.pwd
if not (FileTest.exists? File.join(plugin_dir,".git") or
FileTest.exists? File.join(plugin_dir,".svn") or
FileTest.exists? File.join(plugin_dir,".hg"))
puts "#{plugin_dir} isn't a source controlled d...
Thymeleaf: how to use conditionals to dynamically add/remove a CSS class
... to add/remove dynamically a CSS class to/from a simple div with the th:if clause?
10 Answers
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