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ValueError: The truth value of an array with more than one element is ambiguous. Use a.any() or a.al
...understood way to evaluate
an array in boolean context: it could mean True if any element is
True, or it could mean True if all elements are True, or True if the array has non-zero length, just to name three possibilities.
Since different users might have different needs and different assumptions, ...
Custom attributes - Yea or nay?
... var ret = [],
node = context.firstChild;
if (!node) { return ret; }
do {
if (node.nodeType === 8) {
ret[ret.length] = node;
}
if (node.nodeType === 1) {
ret = ret.co...
How to check for the type of a template parameter?
...#include <type_traits>
template <typename T>
void foo()
{
if (std::is_same<T, animal>::value) { /* ... */ } // optimizable...
}
Usually, that's a totally unworkable design, though, and you really want to specialize:
template <typename T> void foo() { /* generic imple...
Golang: How to pad a number with zeros when printing?
...
What if I want the pad to be to the right? using the flag - only gives spaces, I need zeros.
– majidarif
Feb 19 '17 at 6:43
...
Replace string within file contents
... "giving out answers to homework problems" is an extremely stupid comment. If someone wants help then help them. Not everyone is looking to do their HW, some actually want to learn something ...
– KingMak
Jan 4 '14 at 0:26
...
Does Android keep the .apk files? if so where?
...
To specify target file path or name, adb pull /data/app/com.example.app-filename.apk path/to/desired/destination
– manikanta
Nov 14 '19 at 5:57
...
How do I unset an element in an array in javascript?
...d, which will then not be reflected correctly in the length of the array.
If you know the key you should use splice i.e.
myArray.splice(key, 1);
For someone in Steven's position you can try something like this:
for (var key in myArray) {
if (key == 'bar') {
myArray.splice(key, 1);
...
ASP.NET MVC: No parameterless constructor defined for this object
... only have this problem (no parameterless bla bla...) during serialization if I define a constructor, and not a parameterless contructor. I mean, in this example, if you delete the constructor you defined ( public MyModel(IHelper helper) {} ) the problem disappears... so everytime you create a const...
Alternatives to dispatch_get_current_queue() for completion blocks in iOS 6?
...ese properties: x, y, z", and let the block dispatch to a particular queue if the caller wants more control than that. A typical set of properties to specify would be something like "serial, non-reentrant, and async with respect to any other application-visible queue".
** EDIT **
Catfish_Man put ...
How to identify server IP address in PHP
How can I identify the server IP address in PHP?
15 Answers
15
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