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How does virtual inheritance solve the “diamond” (multiple inheritance) ambiguity?
...he grandfather!
BUT you still need to specify the methods to be virtual in order to get the methods correctly overrided...
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Why do you need to put #!/bin/bash at the beginning of a script file?
...he "Bourne Again Shell"), scripts can be in bash, python, perl, ruby, PHP, etc, etc. For example, you might see #!/bin/perl or #!/bin/perl5.
PS:
The exclamation mark (!) is affectionately called "bang". The shell comment symbol (#) is sometimes called "hash".
PPS:
Remember - under *nix, associat...
Why is SSE scalar sqrt(x) slower than rsqrt(x) * x?
...table, similar to mathematical tables of old, using adjustments to the low-order bits to save on transistors.)
The reason why it's available is that it is the initial estimate used by the FPU for the "real" square root algorithm.
There's also an approximate reciprocal instruction, rcp. Both of these...
Stop Excel from automatically converting certain text values to dates
...P, Unicode U+200B)
is not a big hindrance when viewing the CSV in Notepad (etc),
and could be removed by find/replace in Excel (or Notepad etc).
You don't need to import the CSV, but can simply double-click to open the CSV in Excel.
If there's a reason you don't want to use the tab, look in an Uni...
java.net.SocketException: Connection reset
... ....
}catch(Exception e)
{
tryReConnect();
logit(); //etc
}
//...
}
This reestablises my connection for unknown client socket losts
private void tryReConnect()
{
try
{
ServerSocket.close();
//empty my old lost ...
When should I write the keyword 'inline' for a function/method?
...e fun() = 111 in both of the lines.
Case B:
Compile (notice reverse order):
g++ -std=c++11 inline222.cpp inline111.cpp
Output:
inline111: fun() = 222, &fun = 0x402980
inline222: fun() = 222, &fun = 0x402980
Discussion:
This case asserts what have been discussed in Case A.
Noti...
How do I use arrays in C++?
...(Note that the implicitly generated pointer has no name, so I wrote x+0 in order to identify it.)
If, on the other hand, x denotes a pointer to the first (or any other) element of an array, then array-to-pointer decay is not necessary, because the pointer on which i is going to be added already exi...
What are the differences between PMD and FindBugs?
...ck, long parameter list, unnecessary constructor, missing break in switch, etc. PMD also tells you about the Cyclomatic complexity of your code which I find very helpful (FindBugs doesn't tell you about the Cyclomatic complexity).
FindBugs works on bytecode. Here are some problems FindBugs finds wh...
How can I search Git branches for a file or directory?
...lent answer @webmat! If you want to see where it's been deleted / created /etc, you can use git log --all --stat -- **/my_file.png, that way you won't have to guess if you're checking it out from a commit that deleted it.
– eacousineau
Oct 4 '13 at 4:55
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Android - Writing a custom (compound) component
...t). Also it contains a lot of logic (click listeners, logic to fill lists, etc).
2 Answers
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