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git discard all changes and pull from upstream
...anch on my repo, which is master, and I completely messed it up, so I basically need to start over from the upstream. I think init will do the job, but is there an easier way?
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Get current directory name (without full path) in a Bash script
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No need for basename, and especially no need for a subshell running pwd (which adds an extra, and expensive, fork operation); the shell can do this internally using parameter expansion:
result=${PWD##*/} # to assign to a variable
printf '%s\n' "$...
How to view corresponding SQL query of the Django ORM's queryset?
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You also can use python logging to log all queries generated by Django. Just add this to your settings file.
LOGGING = {
'disable_existing_loggers': False,
'version': 1,
'handlers': {
'console': {
# logging handler that outputs log...
Understanding how recursive functions work
...mming question which I have just not been able to grok yet. Filtering out all of the (extremely clever) "In order to understand recursion, you must first understand recursion." replies from various online threads I still am not quite getting it.
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Listing only directories using ls in Bash?
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*/ is a pattern that matches all of the subdirectories in the current directory (* would match all files and subdirectories; the / restricts it to directories). Similarly, to list all subdirectories under /home/alice/Documents, use ls -d /home/alice/Docu...
How to concatenate a std::string and an int?
I thought this would be really simple but it's presenting some difficulties. If I have
23 Answers
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C# delete a folder and all files and folders within that folder
I'm trying to delete a folder and all files and folders within that folder, I'm using the code below and I get the error Folder is not empty , any suggestions on what I can do?
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How to remove and clear all localStorage data [duplicate]
I need to clear all data i set into localStorage . By this, I mean completely reset localStorage to null when users remove their accounts.
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Deleting all rows from Cassandra cql table [duplicate]
Is there a command to all the rows present in a cql table in cassandra like the one in sql?
1 Answer
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Detecting WPF Validation Errors
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This post was extremely helpful. Thanks to all who contributed. Here is a LINQ version that you will either love or hate.
private void CanExecute(object sender, CanExecuteRoutedEventArgs e)
{
e.CanExecute = IsValid(sender as DependencyObject);
}
private bool IsV...