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How often does python flush to a file?
...t size.
A negative buffering means to use the system default, which is usually line buffered for tty devices and fully buffered for other files.
If omitted, the system default is used.
code:
bufsize = 0
f = open('file.txt', 'w', buffering=bufsize)
...
querySelector search immediate children
...port): see full support list.
function(elem) {
return elem.querySelectorAll(':scope > someselector');
};
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How to load assemblies in PowerShell?
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While it is technically correct that LoadWithPartialNamehas been deprecated, the reasons (as outlined in blogs.msdn.com/b/suzcook/archive/2003/05/30/57159.aspx) clearly don't apply for an interactive Powershell session. I suggest you add a note...
Email Address Validation in Android on EditText [duplicate]
... target) {
return (!TextUtils.isEmpty(target) && Patterns.EMAIL_ADDRESS.matcher(target).matches());
}
Kotlin:
fun CharSequence?.isValidEmail() = !isNullOrEmpty() && Patterns.EMAIL_ADDRESS.matcher(this).matches()
Edit: It will work On Android 2.2+ onwards !!
Edit: Added miss...
Why can lambdas be better optimized by the compiler than plain functions?
...assing them to a function template will instantiate a new function specifically for that object. The compiler can thus trivially inline the lambda call.
For functions, on the other hand, the old caveat applies: a function pointer gets passed to the function template, and compilers traditionally hav...
How to trim a string in SQL Server before 2017?
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Incidentally, what possible reason could Microsoft have for including an LTRIM and RTRIM function without a TRIM? It's peculiar.
– Ben Hoffstein
Oct 7 '08 at 18:06
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What is the size of ActionBar in pixels?
...king in android version 2.3, but "R.attr.actionBarSize" is working android all version. just use "R.attr.actionBarSize" instead of "android.R.attr.actionBarSize" and etc.
– Nathaniel Jobs
May 20 '16 at 3:23
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Extract elements of list at odd positions
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Solution
Yes, you can:
l = L[1::2]
And this is all. The result will contain the elements placed on the following positions (0-based, so first element is at position 0, second at 1 etc.):
1, 3, 5
so the result (actual numbers) will be:
2, 4, 6
Explanation
The [1::2]...
How to play a local video with Swift?
...
class ViewController: UIViewController {
override func viewDidAppear(_ animated: Bool) {
super.viewDidAppear(animated)
playVideo()
}
private func playVideo() {
guard let path = Bundle.main.path(forResource: "video", ofType:"m4v") else {
debugPrint("...
django: BooleanField, how to set the default value to true?
...fields/#django.forms.Field.initial ) like
class MyForm(forms.Form):
my_field = forms.BooleanField(initial=True)
If you're using a ModelForm, you can set a default value on the model field ( https://docs.djangoproject.com/en/2.2/ref/models/fields/#default ), which will apply to the resulting M...