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Purpose of Unions in C and C++
... @legends2k: any decent optimizer will recognize bitwise operations that select an entire byte and generate code to read/write the byte, same as the union but well-defined (and portable). e.g. uint8_t getRed() const { return colour & 0x000000FF; } void setRed(uint8_t r) { colour = (colour &...
java.lang.UnsupportedClassVersionError Unsupported major.minor version 51.0 [duplicate]
...t; Properties -> Java Compiler
Enable project specific settings.
Then select Compiler Compliance Level to 1.6 or 1.5, build and test your app.
Now, it should be fine.
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Good ways to manage a changelog using git?
...te a GNU-style ChangeLog.
As shown by gitlog-to-changelog --help, you may select the commits used to generate a ChangeLog file using either the option --since:
gitlog-to-changelog --since=2008-01-01 > ChangeLog
or by passing additional arguments after --, which will be passed to git-log (call...
How can I listen for a click-and-hold in jQuery?
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how to select the text with different color when we tap and hold on the device
– Lucky
Oct 22 '13 at 6:16
a...
“PKIX path building failed” and “unable to find valid certification path to requested target”
...pe example.cer
chrome - click on site icon left to address in address bar, select "Certificate" -> "Details" -> "Export" and save in format "Der-encoded binary, single certificate".
Now you have file with keystore and you have to add it to your JVM. Determine location of cacerts files, eg.
C...
Throwing cats out of windows
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The problem with that report is selection bias - no one takes a dead cat to the vet.
– Niki Yoshiuchi
Oct 20 '10 at 15:28
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Which sort algorithm works best on mostly sorted data? [closed]
...oking for, I read books but I don't seem to find any clear explanation for selection of alogorithms at particular cases, could you please elaborate this or pass a link so that i can dog into it a little more? Thanks
– Simran kaur
Jun 24 '14 at 3:53
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Explaining Apache ZooKeeper
... simple: The server team with 3 servers has the majority and is allowed to select the new leader.
Even if you just have 3 servers and one of them fails the other 2 still form the majority and can agree that one of them will become the new leader.
I realize once you think about it some time and un...
git add . vs git commit -a
...ically invokes git add on all files it knows about. You can use git add to select what files to commit. Consult the docs for more info: here
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Confused about stdin, stdout and stderr?
...se the same library functions and interfaces (printf,
scanf, read, write, select, etc.) without worrying about whether the I/O stream
is connected to a keyboard, a disk file, a socket, a pipe, or some other I/O abstraction.
Most programs need to read input, write output, and log errors, so stdi...