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What is the “-->” operator in C++?
...0) {
x = x-1;
// logic
}
x--; // The post decrement done when x <= 0
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how to use “AND”, “OR” for RewriteCond on Apache?
...e defines used to name these flags:
#define CONDFLAG_NONE 1<<0
#define CONDFLAG_NOCASE 1<<1
#define CONDFLAG_NOTMATCH 1<<2
#define CONDFLAG_ORNEXT 1<<3
#define CONDFLAG_NOVARY 1<<4
and searching for CONDFLAG...
CodeIgniter - accessing $config variable in view
...;config->item('var_name'); didn't work anymore for me.. thanks for the alternative way. just wondering.. is this method legal?
– dapidmini
Jan 30 '19 at 9:54
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Understanding Python super() with __init__() methods [duplicate]
...e class explicitly, which can be nice. But the main advantage comes with multiple inheritance, where all sorts of fun stuff can happen. See the standard docs on super if you haven't already.
Note that the syntax changed in Python 3.0: you can just say super().__init__() instead of super(ChildB, sel...
How do you set the max number of characters for an EditText in Android?
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@NiteshVerma in your res/layout xml file put next '<LinearLayout.... <EditText android:maxLength="20"'
– Shell Scott
Sep 19 '15 at 23:13
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How do you pass multiple enum values in C#?
Sometimes when reading others' C# code I see a method that will accept multiple enum values in a single parameter. I always thought it was kind of neat, but never looked into it.
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How to show the “Are you sure you want to navigate away from this page?” when changes committed?
...() {
window.onbeforeunload = null;
}
Then define a form like this:
<form method="POST" action="" onsubmit="disableBeforeUnload();">
<textarea name="text"
onchange="enableBeforeUnload();"
onkeyup="enableBeforeUnload();">
</textarea>
<...
Elegant solution to duplicate, const and non-const, getters? [duplicate]
... return foo;
}
int& get()
{
return const_cast<int&>(const_cast<const Foo*>(this)->get());
}
};
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remove objects from array by object property
...
I assume you used splice something like this?
for (var i = 0; i < arrayOfObjects.length; i++) {
var obj = arrayOfObjects[i];
if (listToDelete.indexOf(obj.id) !== -1) {
arrayOfObjects.splice(i, 1);
}
}
All you need to do to fix the bug is decrement i for the next t...
How to delete items from a dictionary while iterating over it?
...------------------------------
Traceback (most recent call last):
File "<ipython console>", line 1, in <module>
RuntimeError: dictionary changed size during iteration
As stated in delnan's answer, deleting entries causes problems when the iterator tries to move onto the next entry. I...