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Difference between `set`, `setq`, and `setf` in Common Lisp?
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(set ls '(1 2 3 4)) => Error - ls has no value
(set 'ls '(1 2 3 4)) => OK
(setq ls '(1 2 3 4)) => OK - make ls to (quote ls) and then have the usual set
(setf ls '(1 2 3 4)) => OK - same as setq so far BUT
(setf (car ls) 10) => Make...
How to get the nth occurrence in a string?
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edited May 31 '16 at 15:05
answered May 31 '16 at 15:00
S...
What is that “total” in the very first line after ls -l? [closed]
What is the total in the output of ls -l ?
4 Answers
4
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How to use SharedPreferences in Android to store, fetch and edit values [closed]
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this.getSharedPreferences gives me the following error: The method getSharedPreferences(String, int) is undefined for the type MyActivity
– Si8
Jul 29 '13 at 19:14
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Recommended Fonts for Programming? [closed]
... amazing!
– Penang
Oct 12 '10 at 10:05
That's the best one on Mac because of its antialiasing adapted to mac screens.....
Allowed characters in filename [closed]
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edited May 17 at 22:05
Andrew D. Bond
7111 silver badge44 bronze badges
answered Feb 12 '16 at 0:1...
Swift Beta performance: sorting arrays
I was implementing an algorithm in Swift Beta and noticed that the performance was very poor. After digging deeper I realized that one of the bottlenecks was something as simple as sorting arrays. The relevant part is here:
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How to set up a cron job to run an executable every hour?
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path_to_exe >> log_file
to see the output of your command
also errors can be redirected with
path_to_exe &> log_file
also you can use
crontab -l
to check if your edits were saved.
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Why can't I see the “Report Data” window when creating reports?
...edy this, I had to:
Exclude the report from my project to stop the build errors
Clean & rebuild my project
Refresh the Data Sources pane & confirm I could see the new fields
Re-include the report and open the report designer with the Data Sources pane pinned in view
(This is the key) Drag...
How to install Xcode Command Line Tools
... "Xcode.SDKs" = (
);
};
version = "1.1.1";
}. Error: Error Domain=NSCocoaErrorDomain Code=3840 "The data couldn’t be read because it has been corrupted." (Encountered unknown ampersand-escape sequence at line 18) UserInfo=0x401bc8e60 {NSDebugDescription=Encountered unk...