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How to hide a View programmatically?
...om the layout.
Or view.setVisibility(View.INVISIBLE) if you just want to hide it.
From Android Docs:
INVISIBLE
This view is invisible, but it still takes up space for layout purposes. Use with setVisibility(int) and android:visibility.
GONE
This view is invisible, and it doesn't...
Comment out text in R Markdown (Rmd file)
...
Extra yaml blocks can be used anywhere inside the document, and commented out with #
---
title: "Untitled"
output: html_document
---
No comment.
---
# here's a comment
# ```{r}
# x = pi
# ```
---
Note however that this does not prevent knitr from evaluating inl...
Ruby on Rails: getting the max value from a DB column
...med bar, this should work:
Bar.maximum("bar")
See the excellent Rails Guides section on Calculations for more info.
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Format an Integer using Java String Format
...r
// │└─────── ... minimum of 3 characters wide
// └──────── ... pad with zeroes instead of spaces
See java.util.Formatter for more information.
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How to convert BigDecimal to Double in Java?
... var channelOptions = {
tags: "".split(" "),
id: "1"
};
initTagRenderer("".split(" "), "".split(" "), channelOptions);
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R memory management / cannot allocate vector of size n Mb
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Consider whether you really need all this data explicitly, or can the matrix be sparse? There is good support in R (see Matrix package for e.g.) for sparse matrices.
Keep all other processes and objects in R to a minimum when y...
chai test array equality doesn't work as expected
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You're right, I didn't read well. I thought it's just another API change.
– Ludder
Dec 2 '14 at 15:19
6
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TypeError: method() takes 1 positional argument but 2 were given
...led on, so there needs to be some way for that object to be referred to inside the method. By convention, this first argument is called self inside the method definition:
class MyNewClass:
def method(self, arg):
print(self)
print(arg)
If you call method("foo") on an instance ...
Subscripts in plots in R
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tags: "".split(" "),
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Difference between CLOB and BLOB from DB2 and Oracle Perspective?
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They can be considered as equivalent. The limits in size are the same:
Maximum length of CLOB (in bytes or OCTETS)) 2 147 483 647
Maximum length of BLOB (in bytes) 2 147 483 647
There is also the DBCLOBs, for double byte character...