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How to use base class's constructors and assignment operator in C++?
...rks even if you didn't explicitly define these functions (it then uses the compiler generated functions).
class ImplicitBase {
int value_;
// No operator=() defined
};
class Derived : public ImplicitBase {
const char* name_;
public:
Derived& operator=(const Derived& d)
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Rails create or update magic?
... User.where(name: "Roger").first_or_initialize
user.email = "email@example.com"
user.save
Alternatively, you can use find_or_initialize_by.
user = User.find_or_initialize_by(name: "Roger")
In Rails 3.
user = User.find_or_initialize_by_name("Roger")
user.email = "email@example.com"
user.save
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Upload failed You need to use a different version code for your APK because you already have one wit
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How do I calculate the date in JavaScript three months prior to today?
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console.log(d.toLocaleDateString());
If your requirements are more complicated than that, use some math and write some code. You are a developer! You don't have to install a library! You don't have to copy and paste from stackoverflow! You can develop the code yourself to do precisely wh...
leiningen - how to add dependencies for local jars?
...management tool" and maybe be careful with lein clean.
As the situation becomes more complex -- there's a larger number of private jars involved, they evolve and you need to take some versioning info on them into account -- Arthur's idea of creating a private Maven repo may be more appropriate.
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Splitting string into multiple rows in Oracle
...ing if someone could teach me the simplest approach to splitting a string (comma delimited) into multiple rows in Oracle 10g (preferably) and 11g.
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Replace only text inside a div using jquery
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122
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How can I filter a date of a DateTimeField in Django?
I am trying to filter a DateTimeField comparing with a date. I mean:
14 Answers
14
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How do I get the base URL with PHP?
...afely depend on SERVER_NAME.
<VirtualHost *>
ServerName example.com
UseCanonicalName on
</VirtualHost>
NOTE: If you're depending on the HTTP_HOST key (which contains user input), you still have to make some cleanup, remove spaces, commas, carriage return, etc. Anything that is...
Sometimes adding a WCF Service Reference generates an empty reference.cs
...et an average of 50 points per week from this question even 6 years later. Come on MS, fix this. At least give the developers some feedback when this goes poorly instead of having them stare at a blank file.
– Anderson Imes
May 18 '15 at 21:02
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