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Git submodule push
...le origin, or would that require a clone?
If clone, can I store a clone inside another repository?
2 Answers
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Scala list concatenation, ::: vs ++
...- and even iterators. List, however, got to keep its original operators, aside from one or two which got deprecated.
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How to print register values in GDB?
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I get: Invalid register `%eax' And if I just do "info registers" eax does not show up. Yet I am looking at my code assembly in the IDE where a EXC_BAD_ACCESS signal has been generated with the instruction: test %eax, %eax This is in XCo...
Passing just a type as a parameter in C#
...you need the type, you can use typeof(T)...
This has the advantage of avoiding the boxing and providing some type safety, and would be called like: int val = GetColumnValue<int>(columnName);
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How to use Greek symbols in ggplot2?
...ere is what you do to obtain greek symbols
Text Labels: Use parse = T inside geom_text or annotate.
Axis Labels: Use expression(alpha) to get greek alpha.
Facet Labels: Use labeller = label_parsed inside facet.
Legend Labels: Use bquote(alpha == .(value)) in legend label.
You can see detailed us...
Can I set a breakpoint on 'memory access' in GDB?
...u want
(gdb) watch a*b + c/d: watch an arbitrarily complex expression, valid in the program's native language
Watchpoints are of three kinds:
watch: gdb will break when a write occurs
rwatch: gdb will break wnen a read occurs
awatch: gdb will break in both cases
You may choose the more appropr...
Creating functions in a loop
I'm trying to create functions inside of a loop:
2 Answers
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Define make variable at rule execution time
...TMP/hi.txt ;\
tar -C $$TMP cf $@ . ;\
rm -rf $$TMP ;\
I have consolidated some related tips here: https://stackoverflow.com/a/29085684/86967
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What's the point of 'meta viewport user-scalable=no' in the Google Maps API
...e user will see a big ol' pixelated image with huge pixelated labels. The idea is that the user should use the zooming provided by Google Maps. Not sure about any interaction with your plugin, but that's what it's there for.
More recently, as @ehfeng notes in his answer, Chrome for Android (and p...
Pandas: create two new columns in a dataframe with values calculated from a pre-existing column
...td. dev. of 7 runs, 10 loops each)
60x faster than zip
In general, avoid using apply
Apply is generally not much faster than iterating over a Python list. Let's test the performance of a for-loop to do the same thing as above
%%timeit
A1, A2 = [], []
for val in df['a']:
A1.append(val**2)
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