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How do you append to an already existing string?
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In classic sh, you have to do something like:
s=test1
s="${s}test2"
(there are lots of variations on that theme, like s="$s""test2")
In bash, you can use +=:
s=test1
s+=test2
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How do you set the text in an NSTextField?
I'm trying to set the text in an NSTextField, but the -setStringValue: and -setTitleWithMnemonic: methods are not working. Any ideas?
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Django: Display Choice Value
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It looks like you were on the right track - get_FOO_display() is most certainly what you want:
In templates, you don't include () in the name of a method. Do the following:
{{ person.get_gender_display }}
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How can I use “puts” to the console without a line break in ruby on rails?
I have a method which goes through a loop -- I want it to output a "." each loop so I can see it in the console. however, it puts a linebreak at the end of each when I use puts "." .
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What is the difference between LINQ ToDictionary and ToLookup
What is the difference between LINQ ToDictionary and ToLookup? They seem to do the same thing.
2 Answers
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increase legend font size ggplot2
...in ggplot2 ? I think I need to specify something like legend.key.width = unit(2, "line") in the theme function, but that is used to adjust the keys in legends, not the font sizes. Thanks!
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Invoke-WebRequest, POST with parameters
I'm attempting to POST to a uri, and send the parameter username=me
4 Answers
4
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How does bash tab completion work?
... spending a lot of time in the shell lately and I'm wondering how the tab autocomplete works. What's the mechanism behind it? How does the bash know the contents of every directory?
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Can I escape a double quote in a verbatim string literal?
...foo") in C#, backslashes aren't treated as escapes, so doing \" to get a double quote doesn't work. Is there any way to get a double quote in a verbatim string literal?
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How to modify memory contents using GDB?
I know that we can use several commands to access and read memory: for example, print, p, x...
3 Answers
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