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Python multiprocessing PicklingError: Can't pickle
...
Here is a list of what can be pickled. In particular, functions are only picklable if they are defined at the top-level of a module.
This piece of code:
import multiprocessing as mp
class Foo():
@staticmethod
def work(self):
pass
if __name__ == '__main__': ...
How to inspect the return value of a function in GDB?
Is it possible to inspect the return value of a function in gdb assuming the return value is not assigned to a variable?
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Is it Pythonic to use list comprehensions for just side effects?
Think about a function that I'm calling for its side effects, not return values (like printing to screen, updating GUI, printing to a file, etc.).
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Detecting when user has dismissed the soft keyboard
...ow...
So I created a more neat solution with Kotlin
1.Create an extension function:
fun Activity.addKeyboardToggleListener(onKeyboardToggleAction: (shown: Boolean) -> Unit): KeyboardToggleListener? {
val root = findViewById<View>(android.R.id.content)
val listener = KeyboardToggl...
convert ArrayList to JSONArray
...s
import com.google.gson.Gson
import com.google.gson.reflect.TypeToken
fun <T> Gson.convertToJsonString(t: T): String {
return toJson(t).toString()
}
fun <T> Gson.convertToModel(jsonString: String, cls: Class<T>): T? {
return try {
fromJson(jsonString, cls)
...
Are global variables in PHP considered bad practice? If so, why?
...ins the system configuration, and when I nead to access this variable in a function, I do global $var; .
6 Answers
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Passing functions with arguments to another function in Python?
Is it possible to pass functions with arguments to another function in Python?
7 Answers
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How to filter object array based on attributes?
...ou can use the Array.prototype.filter method:
var newArray = homes.filter(function (el) {
return el.price <= 1000 &&
el.sqft >= 500 &&
el.num_of_beds >=2 &&
el.num_of_baths >= 2.5;
});
Live Example:
var obj = {
'homes': [{...
Android selector & text color
...u'll need to set a click listener.
private var isPressed = false
private fun TextView.setListener() {
this.setOnClickListener { v ->
run {
if (isPressed) {
v.isSelected = false
v.clearFocus()
} else {
v.isSelect...
Escaping HTML strings with jQuery
...p;#39;',
'/': '&#x2F;',
'`': '&#x60;',
'=': '&#x3D;'
};
function escapeHtml (string) {
return String(string).replace(/[&<>"'`=\/]/g, function (s) {
return entityMap[s];
});
}
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