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Detecting WPF Validation Errors
...ors and all
// of its children (that are dependency objects) are error-free.
return !Validation.GetHasError(obj) &&
LogicalTreeHelper.GetChildren(obj)
.OfType<DependencyObject>()
.All(IsValid);
}
...
Get person's age in Ruby
.../ 365.25 # or (1.year / 1.day)
You will get a fractional result, so feel free to convert the result to an integer with to_i. This is a better solution because it correctly treats the date difference as a time period measured in days (or seconds in the case of the related Time class) since the eve...
C libcurl get output into a string
...amp;s);
res = curl_easy_perform(curl);
printf("%s\n", s.ptr);
free(s.ptr);
/* always cleanup */
curl_easy_cleanup(curl);
}
return 0;
}
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Use CSS to automatically add 'required field' asterisk to form inputs
...eed for div soup. I have added an answer that keeps the form div and class free.
– Henry's Cat
Mar 1 '19 at 16:24
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How to remove all line breaks from a string
... answered Jul 11 '17 at 8:26
FreezystemFreezystem
3,1562424 silver badges3030 bronze badges
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jasmine: Async callback was not invoked within timeout specified by jasmine.DEFAULT_TIMEOUT_INTERVAL
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Probably, when your CPU was free, the task finished before the default timeout. When the CPU was busy, the task you were testing took too long to complete.
– Shane
Mar 23 '17 at 20:27
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Using git repository as a database backend
..."worker", pulling there his branch from main repo, and, as he logs out, he frees the "worker", which does clever git hard reset to become yet again just a main repo clone, ready to be used by another user logging in. Does not help much with disc usage (it's still pretty high — only full clone per ...
How to save a Python interactive session?
...ONSTARTUP=$HOME/.pystartup
You can also add this to get autocomplete for free:
readline.parse_and_bind('tab: complete')
Please note that this will only work on *nix systems. As readline is only available in Unix platform.
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How to fix Array indexOf() in JavaScript for Internet Explorer browsers
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I don't have enough rep to edit the question but feel free to remove the ECMAScript lingo and replace with the appropriate wording. Thanks Again
– Bobby Borszich
Nov 16 '09 at 19:47
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Echo a blank (empty) line to the console from a Windows batch file [duplicate]
...any strong evidence that the use of either of these will always be trouble-free.
Example Usage:
@echo off
echo Here is the first line.
echo(
echo There is a blank line above this line.
Expected output:
Here is the first line.
There is a blank line above this line.
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