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Return first match of Ruby regex
I'm looking for a way to perform a regex match on a string in Ruby and have it short-circuit on the first match.
5 Answers
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How can I print literal curly-brace characters in python string and also use .format on it?
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You need to double the {{ and }}:
>>> x = " {{ Hello }} {0} "
>>> print(x.format(42))
' { Hello } 42 '
Here's the relevant part of the Python documentation for format string syntax:
Format strings contain “replacement fields...
How to send parameters from a notification-click to an activity?
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Take a look at this guide (creating a notification) and to samples ApiDemos "StatusBarNotifications" and "NotificationDisplay".
For managing if the activity is already running you have two ways:
Add FLAG_ACTIVITY_SINGLE_TOP flag to the Intent when launching the activity, a...
How can I convert a zero-terminated byte array to string?
... byte slices return the number of bytes read. You should save that number and then use it to create your string. If n is the number of bytes read, your code would look like this:
s := string(byteArray[:n])
To convert the full string, this can be used:
s := string(byteArray[:len(byteArray)])
This ...
Force drop mysql bypassing foreign key constraint
I'm trying to delete all tables from a database except one, and I end up having the following error:
6 Answers
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Push to GitHub without a password using ssh-key
I generated an SSH key pair without a password and added the public key to GitHub.
6 Answers
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Longest line in a file
... the longest line in a file. Ideally, it would be a simple bash shell command instead of a script.
14 Answers
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onclick open window and specific size
... height=SomeSize`);
return false;">Popup link</a>
Where width and height are pixels without units (width=400 not width=400px).
In most browsers it will not work if it is not written without line breaks, once the variables are setup have everything in one line:
<a href="/index2.php?...
How can I interrupt a ServerSocket accept() method?
...alls accept() on my ServerSocket object, then starts a new client thread and adds it to a Collection when a new client is accepted.
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git diff file against its last change
...ble to get git to produce a diff between a specific file as it exists now, and as it existed before the last commit that changed it?
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