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Why are mutable structs “evil”?
... any other copies which might be around.
If your struct is immutable then all automatic copies resulting from being passed by value will be the same.
If you want to change it you have to consciously do it by creating a new instance of the struct with the modified data. (not a copy)
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Sublime Text 2 - View whitespace characters
...ce, "selection" to draw only the
// white space within the selection, and "all" to draw all white space
"draw_white_space": "selection",
You can see it if you go into Preferences->Settings Default. If you edit your user settings (Preferences->Settings - User) and add the line as per below, y...
Limiting the number of records from mysqldump?
I am trying to load a small sample of records from a large database into a test database.
4 Answers
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Disable scrolling in webview?
...mething I haven't been able to figure out on Android is how to programmatically prevent scrolling in a WebView ?
14 Answer...
Find method references in Xcode
Is there a way in Xcode to find all the places where a method or property has been been called?
6 Answers
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Quick-and-dirty way to ensure only one instance of a shell script is running at a time
... signal but just checks if a process with the given PID exists. Also the call to trap will ensure that the lockfile is removed even when your process is killed (except kill -9).
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How to terminate the script in JavaScript?
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JavaScript equivalent for PHP's die. BTW it just calls exit() (thanks splattne):
function exit( status ) {
// http://kevin.vanzonneveld.net
// + original by: Brett Zamir (http://brettz9.blogspot.com)
// + input by: Paul
// + bugfixed by: Hyam Singer...
How do I force git to checkout the master branch and remove carriage returns after I've normalized f
...his workaround, but it's glaring issue in git that "checkout -f" doesn't really force re-checkout. Another woraround would be to remove all working copy files first (i.e. everything but .git dir).
– pfalcon
Mar 18 '14 at 3:38
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Drop unused factor levels in a subsetted data frame
...tion, a new data frame is created. However, the factor variable retains all of its original levels, even when/if they do not exist in the new dataframe.
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What's causing my java.net.SocketException: Connection reset? [duplicate]
...in our logs. We are unsure as to where the Connection reset error is actually coming from, and how to go about debugging.
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