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by: Brian Patterson |
last post by:
I have noticed in the book of words that hasattr works by calling getattr
and raising an exception if no such attribute exists. If I need the value
in any case, am I better off using getattr within a try statement myself, or
is there some clever implementation enhancement which makes this a bad idea?
i.e. should I prefer:
if hasattr(self,"datum"):
datum=getattr("datum")
else:
datum=None
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by: Marco |
last post by:
I launch the command line:
"mysqlcheck --repair dbname" over a database with only one myisam
table of more than 10.000.000 rows and 5 GB. The elapsed time to
repair is about 1 hour!
Is possible to increase speed?
Thanks.
Marco
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by: serge |
last post by:
I have an SP that is big, huge, 700-800 lines.
I am not an expert but I need to figure out every possible way that
I can improve the performance speed of this SP.
In the next couple of weeks I will work on preparing SQL statements
that will create the tables, insert sample record and run the SP.
I would hope people will look at my SP and give me any hints on how
I can better write the SP.
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by: AJ |
last post by:
I'm about to compress a number of tables using myisampack utility. The
admin guide recommends running the following command after doing so:
myisamchk -rq --sort-index --analyze tbl_name.MYI
I understand what this does, but I don't want to deal with locking the
tables before running myisamchk (stopping the server is not an option).
So, is there a equivalent syntax for mysqlcheck that will do virtually
the same thing as this command? The...
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by: Matt |
last post by:
Hi everyone,
I'm using the command mysqlcheck --all-databases --auto-repair --silent
and I see these warnings (listed below) on a daily occurrence. Is mysqlcheck
causing these warnings? I can't see how a table can close inappropriately.
How can I prevent this.
Hoping to here from MySQL users who have came across this. I'm using MySQL
4.1.11 on RHEL.
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by: Matt |
last post by:
Hi everyone,
I'm using the command "mysqlcheck --all-databases --auto-repair --silent"
and I see these warnings and errors (listed below) on a daily occurrence.
What could cause these indexes to be out of order? Another thing I don't
understand is why an increase in the number rows constitutes a warning?
Hoping to here from MySQL users who have came across this. I'm using the
MyISAM storage engine and MySQL 4.1.11 on Red Hat...
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by: teedilo |
last post by:
We have an application with a SQL Server 2000 back end that is fairly
database intensive -- lots of fairly frequent queries, inserts, updates
-- the gamut. The application does not make use of performance hogs
like cursors, but I know there are lots of ways the application could
be made more efficient database-wise. The server code is running VB6
of all things, using COM+ database interfaces. There are some
clustered and non-clustered...
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by: Scott |
last post by:
I have a customer that had developed an Access97 application to track
their business information. The application grew significantly and
they used the Upsizing Wizard to move the tables to SQL 2000. Of
course there were no modifications made to the queries and they
noticed significant performance issues. They recently upgraded the
application to Access XP expecting the newer version to provide
performance benefits and now queries take...
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by: bjarne |
last post by:
Willy Denoyette wrote;
> ... it
> was not the intention of StrousTrup to the achieve the level of efficiency
> of C when he invented C++, ...
Ahmmm. It was my aim to match the performance of C and I achieved that
aim very early on. See, for example "The Design and Evolution of C++".
-- Bjarne Stroustrup; http://www.research.att.com/~bs
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by: jvn |
last post by:
I am experiencing a particular problem with performance counters.
I have created a set of classes, that uses
System.Diagnostics.PerformanceCounter to increment custom performance
counters (using .Net 2.0)
The performance counter categories have been successfully created.
When the set of classes are used by a WinForm test harness application,
they function as expected, and the performance counters can be seen to
be updated by using the...
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by: Oralloy |
last post by:
Hello folks,
I am unable to find appropriate documentation on the type promotion of bit-fields when using the generalised comparison operator "<=>".
The problem is that using the GNU compilers, it seems that the internal comparison operator "<=>" tries to promote arguments from unsigned to signed.
This is as boiled down as I can make it.
Here is my compilation command:
g++-12 -std=c++20 -Wnarrowing bit_field.cpp
Here is the code in...
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by: Hystou |
last post by:
Overview:
Windows 11 and 10 have less user interface control over operating system update behaviour than previous versions of Windows. In Windows 11 and 10, there is no way to turn off the Windows Update option using the Control Panel or Settings app; it automatically checks for updates and installs any it finds, whether you like it or not. For most users, this new feature is actually very convenient. If you want to control the update process,...
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by: tracyyun |
last post by:
Dear forum friends,
With the development of smart home technology, a variety of wireless communication protocols have appeared on the market, such as Zigbee, Z-Wave, Wi-Fi, Bluetooth, etc. Each protocol has its own unique characteristics and advantages, but as a user who is planning to build a smart home system, I am a bit confused by the choice of these technologies. I'm particularly interested in Zigbee because I've heard it does some...
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by: conductexam |
last post by:
I have .net C# application in which I am extracting data from word file and save it in database particularly. To store word all data as it is I am converting the whole word file firstly in HTML and then checking html paragraph one by one.
At the time of converting from word file to html my equations which are in the word document file was convert into image.
Globals.ThisAddIn.Application.ActiveDocument.Select();...
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by: TSSRALBI |
last post by:
Hello
I'm a network technician in training and I need your help.
I am currently learning how to create and manage the different types of VPNs and I have a question about LAN-to-LAN VPNs.
The last exercise I practiced was to create a LAN-to-LAN VPN between two Pfsense firewalls, by using IPSEC protocols.
I succeeded, with both firewalls in the same network. But I'm wondering if it's possible to do the same thing, with 2 Pfsense firewalls...
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by: adsilva |
last post by:
A Windows Forms form does not have the event Unload, like VB6. What one acts like?
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by: 6302768590 |
last post by:
Hai team
i want code for transfer the data from one system to another through IP address by using C# our system has to for every 5mins then we have to update the data what the data is updated we have to send another system
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by: muto222 |
last post by:
How can i add a mobile payment intergratation into php mysql website.
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by: bsmnconsultancy |
last post by:
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