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Remove 'a' from legend when using aesthetics and geom_text
How can I can remove the letter 'a' from the legend generated by this code? If I remove the geom_text , then the 'a' letter will not show in the legend. I want to keep geom_text , though.
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Why does C++ compilation take so long?
...e in your program.
In C++, vector<int> is a completely separate type from vector<float>, and each one will have to be compiled separately.
Add to this that templates make up a full Turing-complete "sub-language" that the compiler has to interpret,
and this can become ridiculously compli...
private[this] vs private
In Scala I see such feature as object-private variable. From my not very rich Java background I learnt to close everything (make it private) and open (provide accessors) if necessary. Scala introduces even more strict access modifier. Should I always use it by default? Or should I use it only in som...
How to atomically delete keys matching a pattern using Redis
...ata to keys prefix:3:1 and prefix:3:2. Then you can safely take old values from prefix:2:1 and prefix:2:2 and purge old keys.
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Why is there no Constant feature in Java?
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Every time I go from heavy C++ coding to Java, it takes me a little while to adapt to the lack of const-correctness in Java. This usage of const in C++ is much different than just declaring constant variables, if you didn't know. Essential...
Is Python strongly typed?
...n choice made when + was implemented, but not really a necessity following from the language's semantics. In fact, when you overload + on a custom type, you can make it implicitly convert anything to a number:
def to_number(x):
"""Try to convert function argument to float-type object."""
tr...
Best approach for GPGPU/CUDA/OpenCL in Java?
... variants, thanks to its use of JNA).
It has demos that actually run fine from Java Web Start at least on Mac and Windows (to avoid random crashes on Linux, please see this wiki page, such as this Particles Demo.
It also comes with a few utilities (GPGPU random number generation, basic parallel re...
How to hide only the Close (x) button?
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there isn't a way other than to design your form from scratch.
– Daniel A. White
Sep 4 '11 at 20:21
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TypeError: $.ajax(…) is not a function?
I'm trying to create a simple AJAX request which returns some data from a MySQL database. Here's my function below:
13 Answ...
'Static readonly' vs. 'const'
... double edged:
it is useless if the value is fetched at runtime, perhaps from config
if you change the value of a const, you need to rebuild all the clients
but it can be faster, as it avoids a method call...
...which might sometimes have been inlined by the JIT anyway
If the value will never ch...