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How does this CSS produce a circle?
...v id="box">
<div id="innerBox"></div>
</div>
<table id="chooser">
<tr>
<td><label for="total">Total</label></td>
<td><input id="total" value="0" type="range" min="0" max="100" step="1" /></td>
<t...
Is iterating ConcurrentHashMap values thread safe?
...nsertions or removals that occurred since the iterator was constructed. No table-wide locking is needed (or even possible) to provide thread-safety when iterating the collection. ConcurrentHashMap may be used as a replacement for synchronizedMap or Hashtable in any application that does not rely on ...
How to use XPath contains() here?
...
Paste my contains example here:
//table[contains(@class, "EC_result")]/tbody
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What is the meaning of the prefix N in T-SQL statements and when should I use it?
...t T-SQL queries. Many people have used N before inserting the value in a table.
4 Answers
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Passing arguments forward to another javascript function
...lready supports spread operator is FF at the moment. See the compatibility table for a complete, up to date data: kangax.github.io/compat-table/es6/#spread_%28...%29_operator
– TMG
Aug 13 '15 at 8:37
...
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
...
Unable to set data attribute using jQuery Data() API
...y="vader"></div>
<a href="#" id="changeData"></a>
<table id="log">
<tr><th>Setter</th><th>Getter</th><th>Result of calling getter</th><th>Notes</th></tr>
</table>
JavaScript (jQuery 1.6.2+)
var $chang...
Object-orientation in C
...ual functions), you use function pointers, and optionally function pointer tables, also known as virtual tables or vtables:
struct base;
struct base_vtable
{
void (*dance)(struct base *);
void (*jump)(struct base *, int how_high);
};
struct base
{
struct base_vtable *vtable;
/* bas...
Does MySQL foreign_key_checks affect the entire database?
...
Let's say you have a table with referencing id's, but some referenced records are missing. If you add the foreign key (FK) while FOREIGN_KEY_CHECKS are ON, then Mysql will raise an error and refuse to add the FK, because of the broken reference. ...
how to convert a string to date in mysql?
...d, you can do
SELECT STR_TO_DATE(yourdatefield, '%m/%d/%Y')
FROM yourtable
You can also handle these date strings in WHERE clauses. For example
SELECT whatever
FROM yourtable
WHERE STR_TO_DATE(yourdatefield, '%m/%d/%Y') > CURDATE() - INTERVAL 7 DAY
You can handle all kinds of date/t...