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Get the new record primary key ID from MySQL insert query?
... insert a row:
CREATE FUNCTION `getAutoincrementalNextVal`(`TableName` VARCHAR(50))
RETURNS BIGINT
LANGUAGE SQL
NOT DETERMINISTIC
CONTAINS SQL
SQL SECURITY DEFINER
COMMENT ''
BEGIN
DECLARE Value BIGINT;
SELECT
AUTO_INCREMENT INTO Value
FROM
info...
LINQ to Entities case sensitive comparison
...1_CI_AS Collation and that is NOT case sensitive.
Using ObjectQuery.ToTraceString to see the generated SQL query that has been actually submitted to SQL Server reveals the mystery:
string sqlQuery = ((ObjectQuery)context.Thingies
.Where(t => t.Name == "ThingamaBob")).ToTraceString();
Whe...
Ignore mouse interaction on overlay image
...ion (for example, changing color to simulate a button), then you will need extra code attached to the javascript you will invoke on the tag, this extra code could address the 'menuOption' element through the DOM and change it's color.
Also, there is no other way I know of that you can take a click...
Difference between CR LF, LF and CR line break types?
...always sent with the CR
first. In fact, it was often necessary
to send extra characters (extraneous
CRs or NULs, which are ignored) to
give the print head time to move to
the left margin. Even after teletypes
were replaced by computer terminals
with higher baud rates, many operating
...
How to implement Enums in Ruby?
...e when you want to enhance readability without littering code with literal strings.
postal_code[:minnesota] = "MN"
postal_code[:new_york] = "NY"
Constants are appropriate when you have an underlying value that is important. Just declare a module to hold your constants and then declare the constan...
Javascript : natural sort of alphanumerical strings
...rue, sensitivity: 'base'})
For performance when sorting large numbers of strings, the article says:
When comparing large numbers of strings, such as in sorting large arrays, it is better to create an Intl.Collator object and use the function provided by its compare property. Docs link
v...
Detect Browser Language in PHP
... $match[2] = '1.0';
} else {
$match[2] = (string) floatval($match[2]);
}
if (!isset($languages[$match[2]])) {
$languages[$match[2]] = array();
}
$languages[$match[2]][] = strtolower($match[1]);
}...
When to use lambda, when to use Proc.new?
...om :0
irb(main):006:0> p.call "hello"
TypeError: can't convert nil into String
from (irb):2:in `+'
from (irb):2
from (irb):6:in `call'
from (irb):6
from :0
The page also recommends using lambda unless you specifically want the error tolerant behavior. I agree with this senti...
When to use NSInteger vs. int
...e correct format specifier you should use for each of these types, see the String Programming Guide's section on Platform Dependencies
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搭建高可用mongodb集群（二）—— 副本集 - 大数据 & AI - 清泛网 - 专注C/...
...
public class TestMongoDBReplSet {
public static void main(String[] args) {
try {
List addresses = new ArrayList();
ServerAddress address1 = new ServerAddress("192.168.1.136" , 27017);
ServerAddress add...