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Hibernate - Batch update returned unexpected row count from update: 0 actual row count: 0 expected:
...roduction. For this I have modified the catch clause at the line 74 of the BatchingBatcher class to print the statement with a ps.toString() to have only the statement that has the problem.
– Orden
Oct 1 '16 at 13:30
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In Python, when to use a Dictionary, List or Set?
...lable via collections module.
heapq is available from the heapq module
LifoQueue, Queue, and PriorityQueue are available via the queue module which is designed for concurrent (threads) access. (There is also a multiprocessing.Queue available but I don't know the differences to queue.Queue but would ...
Event system in Python
What event system for Python do you use? I'm already aware of pydispatcher , but I was wondering what else can be found, or is commonly used?
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How to check if an email address exists without sending an email?
I have come across this PHP code to check email address using SMTP without sending an email .
14 Answers
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Unix command-line JSON parser? [closed]
... many-a-moon ago, and have learned to love jq.
– Jé Queue
Oct 17 '19 at 19:21
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What can you use Python generator functions for?
... memory. So your server might crash.
So you decided to run the program in batches. Let's say our batch size is 1000.
In our first batch we will query the first 1000 rows, check Alexa rank for each domain and update the database row.
In our second batch we will work on the next 1000 rows. In our t...
What does the 'static' keyword do in a class?
...hey were instance members, e.g.
// Bad code!
Thread.currentThread().sleep(5000);
someOtherThread.sleep(5000);
That makes it look as if sleep is an instance method, but it's actually a static method - it always makes the current thread sleep. It's better practice to make this clear in the calling ...
Python: How would you save a simple settings/config file?
...>
x db:::write-math:::<type 'str'>
Section: other
x preprocessing_queue:::["preprocessing.scale_and_center",
"preprocessing.dot_reduction",
"preprocessing.connect_lines"]:::<type 'str'>
x use_anonymous:::yes:::<type 'str'>
Print some contents
yes
True
As you can see, you can ...
How do I run Asynchronous callbacks in Playground
... NSURLRequest(URL: url!)
NSURLConnection.sendAsynchronousRequest(request, queue: NSOperationQueue.currentQueue()) { response, maybeData, error in
if let data = maybeData {
let contents = NSString(data:data, encoding:NSUTF8StringEncoding)
println(contents)
} else {
pr...
Android AsyncTask threads limits?
...led internally by a shared (static) ThreadPoolExecutor and a LinkedBlockingQueue. When you call execute on an AsyncTask, the ThreadPoolExecutor will execute it when it is ready some time in the future.
The 'when am I ready?' behavior of a ThreadPoolExecutor is controlled by two parameters, the core...