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Transactions in .net
...e ambient transaction without us having to pass anything in.
If your code errors, Dispose() will be called without Complete(), so it will be rolled back. The expected nesting etc is supported, although you can't roll-back an inner transaction yet complete the outer transaction: if anybody is unhapp...
Get Base64 encode file-data from Input Form
...function() {
console.log(btoa(reader.result));
};
reader.onerror = function() {
console.log('there are some problems');
};
}
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Multiple queries executed in java in single statement
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@user2428118: Reason? Any errors observed? Did you check if Driver supports this feature?
– Ravinder Reddy
Apr 24 '15 at 9:12
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iPhone - Grand Central Dispatch main thread
... dispatch_sync. You can't expect the system to protect you from programmer error all the time.
– Robin Summerhill
Oct 26 '11 at 22:14
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Browser statistics on JavaScript disabled [closed]
...easons guessed to be things like corporate content filters, mobile network errors, and even page-preloading.
If we could find out what constitutes that 0.9% and how much is not a human sitting at an intentionally JS-disabled browser, then the effort and cost of investing in progressive enhancement/...
Difference between no-cache and must-revalidate
...d to a revalidation request, the browser/proxy is supposed to return a 504 error. With no-cache, it would just show the cached content, which would be probably preferred by the user (better to have something stale than nothing at all). This is why must-revalidate is intended for critical transaction...
How can I programmatically generate keypress events in C#?
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when I tried the first code of keydown I got error in "target" can't convert it to visual why?
– kartal
Aug 26 '10 at 7:12
3
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Finalize vs Dispose
...e done with them
Allow Dispose to be called multiple times without raising errors.
Suppress later calls to the finalizer from within the Dispose method using the GC.SuppressFinalize method
Avoid creating disposable value types
Avoid throwing exceptions from within Dispose methods
Dispose/Finalized...
What's so wrong about using GC.Collect()?
...e need for a collect statement almost always points to a larger underlying error. The memory leak usually has to do with references and a lack of understanding to how they work. Or using of the IDisposable on objects that don't need it and putting a much higher load on the GC.
Watch closely the %...
Assign pandas dataframe column dtypes
...e types explicitly with pandas DataFrame.astype(dtype, copy=True, raise_on_error=True, **kwargs) and pass in a dictionary with the dtypes you want to dtype
here's an example:
import pandas as pd
wheel_number = 5
car_name = 'jeep'
minutes_spent = 4.5
# set the columns
data_columns = ['wheel_number...