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How to elegantly ignore some return values of a MATLAB function?
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You can make a function (or anonymous function) that only returns selected outputs, e.g.
select = @(a,b) a(b);
Then you can call
How do I dump the data of some SQLite3 tables?
...SOME_STRING' for something other than a comma.
.headers on
.out file.csv
select * from MyTable;
If you want to reinsert into a different SQLite database then:
.mode insert <target_table_name>
.out file.sql
select * from MyTable;
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Tools to get a pictorial function call graph of code [closed]
...that contains a lot of interesting performance data.
On the bottom right, select the "Call graph" tab. This shows an interactive call graph that correlates to performance metrics in other windows as you click the functions.
To export the graph, right click it and select "Export Graph". The exporte...
jQuery UI accordion that keeps multiple sections open?
...o8rx3q/1 I also added some CSS to stop an opened accordion section looking selected when it's expanded
– Matthew Lock
Sep 2 '14 at 0:07
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sh...
How to use arguments from previous command?
... see:
$ echo ace
By the way, you could have put the echo on the line by selecting argument 0:
Press Alt-0 Alt-Ctrl-y
Edit:
To answer the question you added to your original:
You can press Alt-0 then repeatedly press Alt-. to step through the previous commands (arg 0). Similarly Alt-- then rep...
Regular expression to match a word or its prefix
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Because the person who posted the question selected the first answer that came in, and didn't bother to switch to mine when my vastly superior answer came in later. You can ask the questioner via comment under the question to change their answer selection to this one...
Difference between map and collect in Ruby?
..., in C# (3.0)'s LINQ library, it is provided as an extension method called Select. Map is also a frequently used operation in high level languages such as Perl, Python and Ruby; the operation is called map in all three of these languages. A collect alias for map is also provided in Ruby (from Smallt...
PHP array delete by value (not key)
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Yes, this is effective for selecting multiple array items/keys.
– Oki Erie Rinaldi
Aug 28 '14 at 4:52
3
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Where is the warnings screen option in Android Studio?
...bar, you click Analyze -> Inspect Code; then in the window that pops up select how much of your project you want to inspect (I usually do Whole Project, but you might want to select a specific module), then click okay.
Android Studio will work for a bit, then the inspection window will pop up f...
pandas dataframe columns scaling with sklearn
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@RajeshThevar The outer brackets are pandas' typical selector brackets, telling pandas to select a column from the dataframe. The inner brackets indicate a list. You're passing a list to the pandas selector. If you just use single brackets - with one column name followed by ...