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How many and which are the uses of “const” in C++?
...structor of it doesn't need to be virtual - the right destructor is still called:
ScopeGuard const& guard = MakeGuard(&cleanUpFunction);
Explanation, using code:
struct ScopeGuard {
~ScopeGuard() { } // not virtual
};
template<typename T> struct Derived : ScopeGuard {
T ...
Why does Javascript getYear() return 108?
...r the ECMAScript specification, getYear returns the year minus 1900, originally meant to return "98" for 1998. getYear was deprecated in ECMAScript Version 3 and replaced with getFullYear().
Internet Explorer changed getYear() to work like getFullYear() and make it Y2k-compliant, while Mozilla kept ...
How do I export a project in the Android studio?
...gable attribute from the manifest. If you do, then the tools will automatically insert android:debuggable=true when building an APK to debug on an emulator or device. And when you perform a release build, such as Exporting APK, it will automatically set it to false. If on the other hand you specify ...
Is there a /dev/null on Windows?
...file.
(I believe the same is true if you try to create a file programmatically, but I haven't tried it.)
In PowerShell, you want $null:
echo 1 > $null
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\r\n, \r and \n what is the difference between them? [duplicate]
... \r is for Mac OS 9 and under (also back in the days when it was called System). Mac OS X mostly uses \n (and is a Unix).
– Bruno
Mar 15 '13 at 13:51
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I cannot start SQL Server browser
...system account and not this account.
then apply and chose automatic and finally run the server.
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Calculate the number of business days between two dates?
...ad such a task before and I've got the solution.
I would avoid enumerating all days in between when it's avoidable, which is the case here. I don't even mention creating a bunch of DateTime instances, as I saw in one of the answers above. This is really waste of processing power. Especially in the r...
string c_str() vs. data()
... have seen in actual implementations, they either do the same or data() calls c_str() .
6 Answers
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Block comments in html.erb templates in rails
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=begin I think the begin - end would be all =end # You may ignore my comment as its entirely commented :P
– Garfield
Jun 27 '10 at 17:45
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Changing navigation bar color in Swift
I am using a Picker View to allow the user to choose the colour theme for the entire app.
30 Answers
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