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Create RegExps on the fly using string variables
...ng_to_replace. More commonly you want to replace all occurrences, in which case, you have to convert the string into a global (/.../g) RegExp. You can do this from a string using the new RegExp constructor:
new RegExp(string_to_replace, 'g')
The problem with this is that any regex-special charact...
or (HTML5)
... means the links should travel to separate pages, or change content in the case of an AJAX page. Expect some sort of content change when clicking on a nav item.
menu is used for groups of controls (a, input, button). Generally this means the inputs should perform a function within the page. Expect ...
The type 'string' must be a non-nullable type in order to use it as parameter T in the generic type
...lable value type, for example int or DateTime. Reference types like string can already be null. There would be no point in allowing things like Nullable<string> so it is disallowed.
Also if you are using C# 3.0 or later you can simplify your code by using auto-implemented properties:
public ...
Using bitwise OR 0 to floor a number
...
How does it work? Our theory was that using such an operator casts the
number to an integer, thus removing the fractional part
All bitwise operations except unsigned right shift, >>>, work on signed 32-bit integers. So using bitwise operations will convert a float to an in...
If table exists drop table then create it, if it does not exist just create it
...witchcraft did you use to have `s in inline code!?
– Campbeln
Mar 3 '16 at 23:32
2
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How do I write a short literal in C++?
...
((short)2)
Yeah, it's not strictly a short literal, more of a casted-int, but the behaviour is the same and I think there isn't a direct way of doing it.
That's what I've been doing because I couldn't find anything about it. I would guess that the compiler would be smart enough to c...
What is the difference between BIT and TINYINT in MySQL?
In which cases would you use which? Is there much of a difference? Which I typically used by persistence engines to store booleans?
...
Rails: Using build with a has_one association in rails
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The different syntax for the has_one always catches me out... dammit!
– Galaxy
May 10 '12 at 10:24
12
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Variable is accessed within inner class. Needs to be declared final
...
If you don't want to make it final, you can always just make it a global variable.
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What is the difference between persist() and merge() in JPA and Hibernate?
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JPA specification contains a very precise description of semantics of these operations, better than in javadoc:
The semantics of the persist
operation, applied to an entity X are
as follows:
If X is a new entity, it
b...