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Does Qt support virtual pure slots?
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Thanks for your precise answer ! I'll test this as soon as possible ;)
– ereOn
Jun 8 '10 at 14:47
3
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HTML Body says cz-shortcut-listen=“true” with Chrome's Developer Tools?
I was testing some HTML code I'm making, and while using the Developer Tools on Google Chrome version 22.0.1229.94 m, I saw the <body> tag has the attribute cz-shortcut-listen="true" (which of course is not on my code). What does it mean and why is it showing up? (I tried looking it up i...
Why does the MongoDB Java driver use a random number generator in a conditional?
...zed to negative 1:
private int logit = -1;
In the try block, make the test:
if( !ok && (logit = (logit + 1 ) % 10) == 0 ) { //log error
This always logs the first error, then every tenth subsequent error. Logical operators "short-circuit", so logit only gets incremented on an actua...
How to add an email attachment from a byte array?
...o's Attachment class calls Dispose on the content stream, and from a quick test case, .NET 4.0 does the same. I'm not super-amused that this is the case, but there it is.
– Matt Enright
May 19 '11 at 22:12
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How is std::function implemented?
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Regarding the issue of how copies of the std::function behave, a quick test indicates that copies of the internal callable object are done, rather than sharing the state.
// g++4.8
int main() {
int value = 5;
typedef std::function<void()> fun;
fun f1 = [=]() mutable { std::cout &...
How to use mod operator in bash?
...le mathematically -12 mod 10 is 8, bash will calculate it as -2. You can test it with simple echo $((-12 % 10)) (-2) and compare it with python3 python3 -c "print(-12 % 10)" (8).
– Lirt
Jan 28 '19 at 22:39
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How to convert a LocalDate to an Instant?
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In a unit test I am writing, I have a LocalDate, that is converted to a com.google.protobuf.Timestamp and then mapped back to a LocalDate via an Instant, both ways. When using the approach the accepted answer suggests, I get the expe...
Where in a virtualenv does the custom code go?
... you have multiple applications using the same virtualenv. Or, you may be testing an application with a virtualenv that will later be deployed with a system Python. Or, you may be packaging up a standalone app where it might make sense to have the virtualenv directory located somewhere within the ...
Maven Run Project
...execute the main method of a Java class? I have a project that I'd like to test manually by simply doing something like "mvn run".
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Change drawable color programmatically
... Nice! Btw, this seems to work fine on pre-Lollipop too. (Just tested this with minSdkVersion 16 and Android 4.1.1 device.)
– Jonik
Mar 3 '15 at 12:16
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