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How is “int* ptr = int()” value initialization not illegal?
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@NeilG: This stays the same in C++11, though there is now also a nullptr, which you can use instead of 0 or NULL in new code.
– Jerry Coffin
Nov 9 '11 at 23:02
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C# if/then directives for debug vs release
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Thank you! I don't yet even know what "#defines" are so this is a great solution!
– Tim
Feb 8 '12 at 10:29
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JavaScript: What are .extend and .prototype used for?
...otypeJS, copies all properties from the source to the destination object.
Now about the prototype property, it is a member of function objects, it is part of the language core.
Any function can be used as a constructor, to create new object instances. All functions have this prototype property.
W...
What is a serialVersionUID and why should I use it?
...ersioning support of Serialization, (a) to ensure that the class really is now serialization-incompatible way, which per the specification is quite difficult to achieve; (b) to try a scheme such as custom read/writeObject() methods, readResolve/writeReplace() methods, serializableFields declarations...
Cannot hide status bar in iOS7
I just upgraded my iPhone 5 iOS 7 to four beta version. Now when I run my app from Xcode 5 on this iPhone, status bar doesn’t hide, even though it should.
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How can I debug a .BAT script?
...uld like to see what is the order in which they are called, so that I may know where exactly I have to go about and add my modifications.
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Builder Pattern in Effective Java
...ium;
this.fat = b.fat;
this.carbo = b.carbo;
}
}
And now you can set the properties as follows:
NutritionalFacts n = new NutritionalFacts.Builder().sodium(10).carbo(15).
fat(5).build();
share
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MySQL Workbench: How to keep the connection alive
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From the now unavailable internet archive:
Go to Edit -> Preferences -> SQL Editor and set to a higher value this parameter: DBMS connection read time out (in seconds). For instance: 86400.
Close and reopen MySQL Workbe...
Null vs. False vs. 0 in PHP
...s.
0 is an int. Nothing to do with the rest above, used for mathematics.
Now, what is tricky, it's that in dynamic languages like PHP, all of them have a value in a boolean context, which (in PHP) is False.
If you test it with ==, it's testing the boolean value, so you will get equality. If you t...
Tips for debugging .htaccess rewrite rules
...nd 301 redirected to URL C. Even if URL C was the ultimate goal, you will know that this is bad for SEO and needs to be fixed.
You will be able to see cache headers that were set on the server side, replay requests, modify request headers to test ....
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