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by: thakadu |
last post by:
The following code works as expected when run in the main body of a
python script (ver 2.3.5) on OpenBSD v3.8. but when it is in the body
of a function definition it does not work. It does not raise any errors
but it simply does not block as expected. I have repeated this in both
a cgi envirnoment and a non-cgi environment. I also have repeated it
under OpenBSD 3.6 Python Version 2.3.4. To test this you need to run
the code from two shells...
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by: Bruce Pullen |
last post by:
DB2 v7.2 (FP7 - DB2 v7.1.0.68) on AIX 5.2.0.0.
We're seeing unexpected single row (then commit) insert locking
behaviour.
We're seeing Applications that already hold row-level W locks in
lock-wait, waiting to acquire row-level X locks. The lock-waits are
behind applications that have row-level X locks on different rows
(honestly). Both executing and lock-waiting applications have been
granted IX table locks.
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by: Christoph Zeltner |
last post by:
hi,
i am writing a thesis on the concurrency control in db2 udb and oracle. I
found in the documentary of db2, that
a resource holding a (U)pdate-Lock can still be requested by a read-lock
(e.g. S). If the U-Lock wants to convert to a write-lock, does the
transaction have to wait for the transaction with the S-lock to finish ? Can
it starve ? Is this the symmetric RUX-Protocoll ? Questions, so many
questions ...
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by: Ray |
last post by:
I am having my first experience using BLOB as a row in a table. I am
using it to insert graphics for labels we print. I have no problem
inserting into and select from the table. The graphic is being stored
correctly.
Whenever I attempt to delete a row from my application I get the
following error.
SQL0911N The current transaction has been rolled back because of a
deadlock or timeout. Reason code "68". SQLSTATE=40001
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by: Sunny |
last post by:
Hi,
I can not understend completely the lock statement.
Actally what is locked:
1. the part of the code between {...}
or
2. the object in lock()
In the docs is written:
for 1: The lock keyword marks a statement block as a critical section by
obtaining the mutual-exclusion lock for a given object, executing a
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by: tsnyder |
last post by:
I need to have an option button that allows editing to a field only
when it is checked.
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by: shenanwei |
last post by:
DB2 V8.2 on AIX, type II index is created.
I see this from deadlock event monitor.
5) Deadlocked Connection ...
Participant no.: 2
Lock wait start time: 09/18/2006 23:04:09.911774
......
Deadlocked Statement:
Type : Dynamic
Operation: Execute
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by: blangela |
last post by:
If you had asked me 5 years ago about the future of C++, I would have
told you that its future was assured for many years to come. Recently,
I have been starting to wonder.
I have been teaching C++ at a local polytechnical school here in
Vancouver, Canada for approximately 8 years. Six years ago, at the
height (or should I say volume?) of the internet bubble, I had 80+
students per semester in my C++ course. Now I am fortunate to have...
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by: cwho.work |
last post by:
Hi!
We are using apache ibatis with our MySQL 5.0 database (using innodb
tables), in our web application running on Tomcat 5. Recently we
started getting a number of errors relating to
java.sql.SQLException: Deadlock found when trying to get lock; Try
restarting transaction message from server: "Lock wait timeout
exceeded; try restarting transaction";
We get such errors generally on inserts or updates while applying a
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by: Samuel R. Neff |
last post by:
When is it appropriate to use "volatile" keyword? The docs simply
state:
"
The volatile modifier is usually used for a field that is accessed by
multiple threads without using the lock Statement (C# Reference)
statement to serialize access.
"
But when is it better to use "volatile" instead of "lock" ?
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by: Hystou |
last post by:
Most computers default to English, but sometimes we require a different language, especially when relocating. Forgot to request a specific language before your computer shipped? No problem! You can effortlessly switch the default language on Windows 10 without reinstalling. I'll walk you through it.
First, let's disable language synchronization. With a Microsoft account, language settings sync across devices. To prevent any complications,...
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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: jinu1996 |
last post by:
In today's digital age, having a compelling online presence is paramount for businesses aiming to thrive in a competitive landscape. At the heart of this digital strategy lies an intricately woven tapestry of website design and digital marketing. It's not merely about having a website; it's about crafting an immersive digital experience that captivates audiences and drives business growth.
The Art of Business Website Design
Your website is...
|
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: agi2029 |
last post by:
Let's talk about the concept of autonomous AI software engineers and no-code agents. These AIs are designed to manage the entire lifecycle of a software development project—planning, coding, testing, and deployment—without human intervention. Imagine an AI that can take a project description, break it down, write the code, debug it, and then launch it, all on its own....
Now, this would greatly impact the work of software developers. The idea...
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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: 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: bsmnconsultancy |
last post by:
In today's digital era, a well-designed website is crucial for businesses looking to succeed. Whether you're a small business owner or a large corporation in Toronto, having a strong online presence can significantly impact your brand's success. BSMN Consultancy, a leader in Website Development in Toronto offers valuable insights into creating effective websites that not only look great but also perform exceptionally well. In this comprehensive...
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