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What is the difference between a pseudo-class and a pseudo-element in CSS?
...neven rows which aren't dividable by 5 white and every other row magenta.
table tr:nth-child(2n) td{
background-color: #ccc;
}
table tr:nth-child(2n+1) td{
background-color: #fff;
}
table tr:nth-child(2n+1):nth-child(5n) td{
background-color: #f0f;
}
Pseudo-elements
Official descripti...
Understanding :source option of has_one/has_many through of Rails
...ular, to represent the model name, instead of :breeds which represents the table name? E.g. has_many :dog_breeds, :through => :dogs, :source => :breed (no s suffixing :breed)?
– LazerSharks
Dec 30 '14 at 22:22
...
What is PostgreSQL explain telling me exactly?
...efore it starts writing rows: a sequential scan reads the first row of the table and emits it. The LIMIT reads its first row and then emits it.
When would a component need to do a lot of processing before it can start to output any rows? There are a lot of possible reasons, but let's look at one cl...
C compiler for Windows? [closed]
...e problems to handle LibVLC and Gstreamer's. By using MinGW crash the executables. Is there any better solution?
– user285594
Mar 23 '15 at 21:53
1
...
What is a 'thunk'?
...ayed
computation (similar to a closure)
a feature of some virtual function
table implementations (similar to a
wrapper function)
a mapping of machine data from one
system-specific form to another,
usually for compatibility reasons
I have usually seen it used in the third context.
http://en.wikipe...
Cast Object to Generic Type for returning
...n
2: astore_1
3: aconst_null
4: areturn
Exception table:
from to target type
0 1 2 Class java/lang/ClassCastException
public static void main(java.lang.String[]);
Code:
0: ldc2_w #3 // double 345435.34d
...
How to Right-align flex item?
... Thanks. Would you personally prefer this over Yohann Tilotti's display table method above? If so, why?
– Mark Boulder
Mar 16 '14 at 4:19
...
Effect of a Bitwise Operator on a Boolean in Java
...| have different precedence from & and |.
Extract from the precedence table (with highest precedence at the top).
bitwise AND &
bitwise exclusive OR ^
bitwise inclusive OR |
logical AND &&
logical OR ||
What this mean...
How to insert a value that contains an apostrophe (single quote)?
...r can be inserted by calling the CHAR function with the apostrophe's ASCII table lookup value, 39. The string values can then be concatenated together with a concatenate operator.
Insert into Person
(First, Last)
Values
'Joe',
concat('O',char(39),'Brien')
...
Entity Framework .Remove() vs. .DeleteObject()
...n satisfied, requires every value of one attribute (column) of a relation (table) to exist as a value of another attribute in a different (or the same) relation (table), so when relationship is Optional we break the data Integrity rule
– Mohammadreza
Jul 15 '14...