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Pointer to pointer clarification
...lue of ipp. So, ipp still points to ip1 (the value of ipp), ip1's value is now the same as ip2's value, so they both point to j.
This:
*ipp = ip2;
is the same as:
ip1 = ip2;
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How can I return to a parent activity correctly?
...ng startActivityForResult() and override onActivtyResult() in Activity A.
Now in Activity B just call finish() on button Up. So now you directed to Activity A's onActivityResult() without creating of Activity A again..
shar...
Why are Oracle table/column/index names limited to 30 characters?
...understand that many years ago there would be this kind of limitation, but nowadays surely this limit could easily be increased. We have naming conventions for objects, but there is always a case that turns up where we hit this limit - especially in naming foreign keys.
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How to change the pop-up position of the jQuery DatePicker control
...
Same issue as the other css-trick: Only works if you now exactly where the datepicker should be in CSS. You cannot use this method to dynamically place the datepicker. I had to use a hack, binding on inst.input.focus()
– aaronbauman
Mar 18...
Chrome ignores autocomplete=“off”
...
UPDATE
It seems now Chrome ignores the style="display: none;" or style="visibility: hidden; attributes.
You can change it to something like:
<input style="opacity: 0;position: absolute;">
<input type="password" style="opacity: 0;p...
Pointer to class data member “::*”
...
Here's a real-world example I am working on right now, from signal processing / control systems:
Suppose you have some structure that represents the data you are collecting:
struct Sample {
time_t time;
double value1;
double value2;
double value3;
};
Now ...
In plain English, what does “git reset” do?
... A and B alone, since they weren't part of the attempted merge.
Want to know more?
I do think man git reset is really quite good for this - perhaps you do need a bit of a sense of the way git works for them to really sink in though. In particular, if you take the time to carefully read them, thos...
Can I get “&&” or “-and” to work in PowerShell?
...:
build
if ($?) {
run_tests
}
2019/11/27: The &&operator is now available for PowerShell 7 Preview 5+:
PS > echo "Hello!" && echo "World!"
Hello!
World!
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HTTP GET with request body
... only the request URI.
Update
The RFC2616 referenced as "HTTP/1.1 spec" is now obsolete. In 2014 it was replaced by RFCs 7230-7237. Quote "the message-body SHOULD be ignored when handling the request" has been deleted. It's now just "Request message framing is independent of method semantics, even i...
Testing modules in rspec
...ules in rspec? I have some modules that get included in few models and for now I simply have duplicate tests for each model (with few differences). Is there a way to DRY it up?
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