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Any way to select without causing locking in MySQL?
...s/22-mysql-with-nolock.aspx
in MS SQL Server you would do the following:
SELECT * FROM TABLE_NAME WITH (nolock)
and the MYSQL equivalent is
SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED ;
SELECT * FROM TABLE_NAME ;
SET SESSION TRANSACTION ISOLATION LEVEL REPEATABLE READ ;
EDIT
Mic...
Difference between Select Unique and Select Distinct
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SELECT UNIQUE is old syntax supported by Oracle's flavor of SQL. It is synonymous with SELECT DISTINCT.
Use SELECT DISTINCT because this is standard SQL, and SELECT UNIQUE is non-standard, and in database brands other than ...
Hidden Features of ASP.NET [closed]
...le known hack
Most of the time you have to use the findcontrol method and cast the controls in master page from the content pages when you want to use them, the MasterType directive will enable intellisense in visual studio once you to this
just add one more directive to the page
<%@ MasterTy...
How do you round to 1 decimal place in Javascript?
...Fixed(), but, for the record, here's another way that uses bit shifting to cast the number to an int. So, it always rounds towards zero (down for positive numbers, up for negatives).
var rounded = ((num * 10) << 0) * 0.1;
But hey, since there are no function calls, it's wicked fast. :)
An...
How to split a comma-separated string?
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The second option requires as cast to ArrayList<String>.
– C_B
Aug 28 '14 at 9:57
3
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How to convert hashmap to JSON object in Java
How to convert or cast hashmap to JSON object in Java, and again convert JSON object to JSON string?
29 Answers
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Using the Android Application class to persist data
...at class wherever i needed by giving it the getApplicationContext() with a cast to this class
– Ziv Kesten
Jul 28 '14 at 6:57
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show 3 more ...
Type of conditional expression cannot be determined because there is no implicit conversion between
...lable database field type, for example a nullable DateTime and you try and cast data to DateTime, when it infact required (DateTime?)
– Mike Upjohn
Sep 16 '15 at 14:58
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How should equals and hashcode be implemented when using JPA and Hibernate
... Cat {
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public boolean equals(Object other) {
//Basic test / class cast
return this.catId==other.catId;
}
public int hashCode() {
int result;
return 3*this.catId; //any primenumber
}
}
Get selected value/text from Select on change
I need to get the value of the selected option in javascript: does anyone know how to get the selected value or text, please tell how to write a function for it. I have assigned onchange() function to select so what do i do after that?
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