How To have Dynamic SQL in MySQL Stored Procedure

How To have Dynamic SQL in MySQL Stored Procedure

How do you build and use dynamic sql in a MySQL stored procedure? 1:I don't believe MySQL supports dynamic sql. You can do "prepared" statements which is similar, but different.Here is an example:mysql> PREPARE stmt FROM -> 'select

dispatch_after - GCD in swift?

dispatch_after - GCD in swift?

I've gone through the iBook from Apple, and couldn't find any definition of it :Can someone explain the structure of dispatch_after?dispatch_after(<#when: dispatch_time_t#>, <#queue: dispatch_queue_t?#>, <#block: dispatch_block_t?#>) 1:A

Convert Rows to columns using 'Pivot' in SQL Server

Convert Rows to columns using 'Pivot' in SQL Server

Well I guess I am really dense. I have read the stuff on MS pivot tables and I am still having problems getting this correct. I have seen some of you that seem to eat and sleep this stuff, so I just decided to sign-up and ask the question.I

Cross-thread operation not valid: Control accessed from a thread other than the thread it was create

Cross-thread operation not valid: Control accessed from a thread other than the thread it was create

I have a scenario. (Windows Forms, C#, .NET)There is a main form which hosts some user control.The user control does some heavy data operation, such that if I directly call the UserControl_Load method the UI become nonresponsive for the dur

How to get mysqli error in different environments?

How to get mysqli error in different environments?

In my LOCAL/DEV environment, the mysqli query is performing OK. However, when I upload it on my WEBHOST environment, I got this error; Fatal error: Call to a member function bind_param() on a non-object in...Here is the code:global $mysqli

Python unittest.TestCase object has no attribute 'runTest'

Python unittest.TestCase object has no attribute 'runTest'

For the following code:import unittestclass Test(unittest.TestCase): def test1(self): assert(True == True)if __name__ == "__main__": suite = unittest.TestSuite() suite.addTest(Test()) unittest.TextTestRunner().run(suite)U

Using SQLite in a Python program

Using SQLite in a Python program

I have created a Python module that creates and populates several SQLite tables. Now, I want to use it in a program but I don't really know how to call it properly. All the tutorials I've found are essentially "inline", i.e. they walk throu

RestSharp Deserialization with JSON Array

RestSharp Deserialization with JSON Array

I have a JSON response that I'm trying to deserialize with RestSharp, and it looks like this:{"devices":[{"device":{"id":7,"deviceid":"abc123","name":"Name"}}, {"device":{"id":1,"deviceid":"def456","name":"Name"}}],

WebP library for java? [closed]

WebP library for java? [closed]

Is there a library in java for creating/saving image files in the WebP format ?I couldn't find anything that does this, except for googles encoder which is an exe file, and I don't want to have to execute some .exe from my code to do this..

Rule Engine in JavaScript [closed]

Rule Engine in JavaScript [closed]

Is there any Rule engine in JavaScript? The question is in this context:Consider a web application having a form that users fill up.As a user fills up each field and proceeds to the next, business logic written in JavaScript controls the vi

What is the unit of time in MySQL's slow-query log?

What is the unit of time in MySQL's slow-query log?

I'm looking at the slow query log from a drupal-based webapp, and have lines that look like this:# Query_time: 3257 Lock_time: 0 Rows_sent: 272 Rows_examined: 272# Query_time: 1654 Lock_time: 0 Rows_sent: 222 Rows_examined: 222# Query

How to open/run .jar file (double-click not working)?

How to open/run .jar file (double-click not working)?

I can't open or run my .jar file.I just installed java, but I tried to open the .jar with other programs first, so the double-click defaults to something else and I can't change it back.java -jar myfile.jar returns "'java' is not recognized

How do I export particular column in MySQL using phpmyadmin?

How do I export particular column in MySQL using phpmyadmin?

I do have thousands of website list and other info in MySQL database.I want only website column named "web" to be exported to excel or text or csv.I know how to export the whole data but dont know how to export particular column. 1:Query

mongodb fork in windows

mongodb fork in windows

I have seen on tutorials that they use --fork as parameter of mongod. But when I try to do so, it says unknown option --fork. So how to --fork mongodb on windows? 1:--fork is actually a Linux command not a Windows or mongod command. I do

How to execute an Oracle stored procedure via a database link

How to execute an Oracle stored procedure via a database link

Can I call a stored procedure in Oracle via a database link?The database link is functional so that syntax such as...SELECT * FROM [email protected] functioning. But is there a syntax for...EXECUTE mySchema.myPackage.myProcedure('somePa

AttributeError: module 'html.parser' has no attribute 'HTMLParseError'

AttributeError: module 'html.parser' has no attribute 'HTMLParseError'

This is the hints,how can I resolve it?I use Python 3.5.1 created a virtual envirement by virtualenvThe source code works well on my friend's computer machineError: Traceback (most recent call last): File "manage.py", line 10, in execu

Unix grep regex containing 'x' but not containing 'y'

Unix grep regex containing 'x' but not containing 'y'

I need a single-pass regex for unix grep that contains, say alpha, but does not contain beta.grep 'alpha' | grep -v 'beta' 1:^((?!beta).)*alpha((?!beta).)*$ would do the trick I think. 2:The other answers here show some ways you can

Run code in python script on shutdown signal

Run code in python script on shutdown signal

I have a python script that runs in the background on startup. The starting method is a entry in a run.sh file which is called with /etc/rc.local. The exact entry would be "sudo python /home/pi/run/main.py &". The system is a raspberry pi w

Automating command/script execution using PuTTY

Automating command/script execution using PuTTY

These are the things I need to do:Open putty.exeEnter Username and password.Run a shell script.I am using UFT (VB Scripting). I am able to open PuTTY but not able to enter username and password or run any commands using UFT.Is there any oth

opening a shell and interacting with its I/O in java

opening a shell and interacting with its I/O in java

I am trying to open a shell (xterm) and interact with it (write commands and read the shell's output)Here is a sample of code which won't work:public static void main(String[] args) throws IOException { Process pr = new ProcessBuilder("x

get object from memory by hash code

get object from memory by hash code

My question is relate to security level of JVMHow we can we get the object from memory by proving hash code?Today i was thinking. I create an object of class A in an execution environment One. And get the hash code from here of that object.

using win32com.client in python how to find and replace multiple text

using win32com.client in python how to find and replace multiple text

I'm trying to add multiple string values to a Word document using find and replace with the win32com.client Python library. I can find and replace one value, but I don't know how to do this for multiple values. This is what I have so far:i

how to pass parameters to an ado.net source in ssis?

how to pass parameters to an ado.net source in ssis?

This is the original query, which works fine using ado.net source and using the .net providers\odbc data provider specified inside the source.SELECT a.FA_CLNT_ID, a.FA_ACCT_NM, a.ACCT_E_DT, a.POL_PER_CURR_DT, a.POL_PER_NEXT_DT, a.FA_ACCT_NU

Persist Entity Framework query cache

Persist Entity Framework query cache

I have an ASP.NET MVC 5 web-application and use EF 6.1 to access my DB.I have some rather complex LINQ queries which take up to 10s to compile, but then execute in a few milliseconds. EF does cache this queries fine and the second time the

How to run specific java code on Tomcat start or on application deploy? [duplicate]

How to run specific java code on Tomcat start or on application deploy? [duplicate]

Possible Duplicate: tomcat auto start servlet How do I load a java class (not a servlet) when the tomcat server starts I have web application running on Tomcat server. I want to run specific code in my application once when Tomcat starts