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How do I rename all files to lowercase?
...eneral answer:
Simplest case (safe most of the time, and on Mac OS X, but read on):
for i in * ; do j=$(tr '[:upper:]' '[:lower:]' <<< "$i") ; mv "$i" "$j" ; done
You need to also handle spaces in filenames (any OS):
IFS=$'\n' ; for i in * ; do j=$(tr '[:upper:]' '[:lower:]' <<&l...
Why are function pointers and data pointers incompatible in C/C++?
I have read that converting a function pointer to a data pointer and vice versa works on most platforms but is not guaranteed to work. Why is this the case? Shouldn't both be simply addresses into main memory and therefore be compatible?
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“Uncaught TypeError: Illegal invocation” in Chrome
...l. Correct usage is myObj.myAlert.call(window, 'this is an alert'). Please read answers properly and try to understand it.
– Nemoy
Mar 11 '14 at 9:24
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Removing the remembered login and password list in SQL Server Management Studio
...nks to is about how to delete a cached server name, not a login. I didn't read that linked answer carefully enough and was trying the technique to remove a single login from the Login dropdown list. That doesn't work. It only works when you're removing a server name from the Server Name dropdown ...
Calling a Method From a String With the Method's Name in Ruby
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Interesting because before I read your answer twice, and fully grok'd it I ran the FileUtils.send("load") and it ran my function. so if I understand this correctly by creating functions in "global" am I adding the methods onto the root object? or not?
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What is the purpose of “!” and “?” at the end of method names?
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It's "just sugarcoating" for readability, but they do have common meanings:
Methods ending in ! perform some permanent or potentially dangerous change; for example:
Enumerable#sort returns a sorted version of the object while Enumerable#sort! sorts it...
View contents of database file in Android Studio
...le device:
Go to this Github repository and follow the instructions in the readme to be able to view your database on your device. What you get is something like this:
That's it. It goes without saying however that you should undo all these steps before publishing your app.
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Django using get_user_model vs settings.AUTH_USER_MODEL
Reading the Django Documentation:
5 Answers
5
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How do you change a repository description on GitHub?
...d you have one or more files in your repo, which I only figured out when I read the answer below.
– kasimir
Sep 8 at 18:07
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In Ruby on Rails, what's the difference between DateTime, Timestamp, Time and Date?
...y stores the number of seconds since 1970-01-01, it uses 4 bytes.
You can read more about the differences between time formats in MySQL here.
In the end, it comes down to what you need your date/time column to do. Do you need to store dates and times before 1970 or after 2038? Use DATETIME. Do you...