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PHP abstract properties
...vate in the parent it will remain private and not available to the child.
http://www.php.net//manual/en/language.oop5.static.php
abstract class AbstractFoo
{
public $bar;
final public function __construct()
{
$this->bar = static::BAR;
}
}
class Foo extends AbstractFoo
{...
Can an enum class be converted to the underlying type?
...and write to it and then cast it to enum type
// See discussion on https://stackoverflow.com/questions/19476818/is-it-safe-to-reinterpret-cast-an-enum-class-variable-to-a-reference-of-the-unde
static_assert(std::is_enum<EnumType>::value,"Enum type required");
auto enu...
How to programmatically set style attribute in a view
...
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item
android:state_pressed="true"
android:drawable="@drawable/btn_pressed" />
<item
android:state_pressed="false"
android:drawable="@drawable/btn_n...
How to get the parent dir location
... dirname does NOT always return the parent directory; twitter.com/#!/ActiveState/status/671049326788608
– Sridhar Ratnakumar
Nov 5 '10 at 22:12
2
...
git + LaTeX workflow
...ent, just a simple bat script
It works perfectly on windows10, miktex2.9:
https://github.com/redreamality/git-latexdiff
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How to remove k__BackingField from json when Deserialize
...
Automatic Property syntax is actually not recommended if the class can be used in serialization. Reason being the backing field is generated by compiler which can be different each time code is compiled. This can cause incompatibility issues even if no change is made t...
Why would one omit the close tag?
...st sed/awk or regex-oneliners). In particular:
phptags tag tidier
https://fossil.include-once.org/phptags/
Which could generally be used to --unclose php tags for third-party code, or rather just fix any (and all) actual whitespace/BOM issues:
phptags --warn --whitespace *.php
It al...
Is a Python list guaranteed to have its elements stay in the order they are inserted in?
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
In a Django form, how do I make a field readonly (or disabled) so that it cannot be edited?
...the oldest open Django tickets is about this issue. See code.djangoproject.com/ticket/342 .
– Peter Rowell
Nov 29 '08 at 16:52
2
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How to write log base(2) in c/c++
...
As stated on http://en.wikipedia.org/wiki/Logarithm:
logb(x) = logk(x) / logk(b)
Which means that:
log2(x) = log10(x) / log10(2)
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