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UnmodifiableMap (Java Collections) vs ImmutableMap (Google) [duplicate]
... still possible:
realMap.put("E", "F");
// The change in the "realMap" is now also visible
// in the "unmodifiableMap". So the unmodifiableMap
// has changed after it has been created.
unmodifiableMap.get("E"); // Will return "F".
In contrast to that, the ImmutableMap of Guava is really immutabl...
Is it possible to style a select box? [closed]
...electbox/0.5) for it looks fine. Look around for other implementations. I know I've seen several other plugins that do this.
– Mark A. Nicolosi
Jul 2 '09 at 4:51
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Is errno thread-safe?
... int * __error(void);
#define errno (*__error())
__END_DECLS
So errno is now a function __error(). The function is implemented so as to be thread-safe.
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Java naming convention for static final variables [duplicate]
...mlFileReader extends FileReader {}
The developer is said not to need to know that the above classes are abstract or an interface.
Static Final
My personal preference and belief is that we should follow similar logic when referring to static final variables. Instead, we evaluate its usage when de...
Rotating and spacing axis labels in ggplot2
...tor whose labels are long. While probably not an ideal visualization, for now I'd like to simply rotate these labels to be vertical. I've figured this part out with the code below, but as you can see, the labels aren't totally visible.
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Can you run GUI applications in a Docker container?
...er nicely for me on an Ubuntu 14.04 laptop with docker 1.5 earlier; but is now failing for me on Ubuntu 15.04, docker 1.6.2, with the error Can't open display: :0. Any ideas?
– cboettig
Jun 10 '15 at 4:30
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Detect home button press in android
This has been driving me nuts for a while now.
17 Answers
17
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Convert JsonNode into POJO
...this:
objectMapper.configure(DeserializationConfig.Feature.FAIL_ON_UNKNOWN_PROPERTIES, false);
Or you'll get an error that it can't find the property to set into.
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How can I disable ARC for a single file in a project?
...s and mock objects) where the rules of ARC are a little more fragile right now. I recall hearing that there was a way to disable ARC on a per-file basis, though I have been unable to find this option.
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How can I convert spaces to tabs in Vim or Linux?
...t it to work, not sure what is necessary and what is not, and btw i don't know what the "%" before reatab is doing: :set noet, :set tabstop=2, :retab!, :%retab!, :set tabstop=1, :retab!, :%retab!
– cwd
Feb 2 '12 at 1:39
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