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Check if a value exists in pandas dataframe index
... there is an obvious way to do this but cant think of anything slick right now.
6 Answers
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Merging objects (associative arrays)
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Now in 2016 I would say the best/standard way is Object.assign()
Pure Javascript. No jQuery is needed.
obj1 = {a: 1, b: 2};
obj2 = {a: 4, c: 110};
obj3 = Object.assign({},obj1, obj2); // Object {a: 4, b: 2, c: 110}
More i...
Modulo operator with negative values [duplicate]
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@KerrekSB It is defined now in C++11.
– Buge
Jul 31 '14 at 19:22
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NameValueCollection vs Dictionary [duplicate]
...hash key lookup', which is what my initial question was. I also understand now that when i wrote 'hash table' you understood me to mean a .NET HashTable which is NOT what i meant. I meant it generically, which could otherwise be expressed as a 'quick binary search' for the key name. And this is inde...
Get screen width and height in Android
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this is depreciated now :(
– cegprakash
Dec 30 '18 at 12:10
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when using AlertDialog.Builder with EditText, the Soft Keyboard doesn't pop
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Thank you so much. I've searched for a while now and this is the way you want to go. All the OnFocusChangeListener approaches seem to much to me and cause trouble. You have to create the AlertDialog from the AlertDialog.Builder!
– philipp
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Download attachments using Java Mail
Now that I`ve downloaded all the messages, and store them to
4 Answers
4
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JavaScript, elegant way to check nested object properties for null/undefined [duplicate]
a "problem" which i have every now and then is that i have an object e.g. user = {} and through the course of using the app this gets populated. Let's say somwhere, after an AJAX call or something i do this:
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Replacing a char at a given index in string? [duplicate]
...y();
chars[index] = newChar;
return new string(chars);
}
This is now an extension method so you can use:
var foo = "hello".ReplaceAt(2, 'x');
Console.WriteLine(foo); // hexlo
It would be nice to think of some way that only required a single copy of the data to be made rather than the tw...
Why does JQuery have dollar signs everywhere?
...on = function() {
alert('a function');
}
window.Myf = yourFunction;
Now you can call yourFunction like:
Myf(); // definitely a short syntax
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