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How to initialise memory with new operator in C++?
I'm just beginning to get into C++ and I want to pick up some good habits. If I have just allocated an array of type int with the new operator, how can I initialise them all to 0 without looping through them all myself? Should I just use memset ? Is there a “C++” way to do it?
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Use JavaScript to place cursor at end of text in text input element
What is the best way (and I presume simplest way) to place the cursor at the end of the text in a input text element via JavaScript - after focus has been set to the element?
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Rotating and spacing axis labels in ggplot2
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In the newest version of ggplot2 the command would be: q + theme(axis.text.x=element_text(angle = -90, hjust = 0))
– rnorberg
Sep 28 '12 at 13:18
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mongodb: insert if not exists
...-find-else-update block entirely. It will insert if the key doesn't exist and will update if it does.
Before:
{"key":"value", "key2":"Ohai."}
After:
{"key":"value", "key2":"value2", "key3":"value3"}
You can also specify what data you want to write:
data = {"$set":{"key2":"value2"}}
Now yo...
How to center icon and text in a android button with width set to “fill parent”
I want to have an Android Button with icon+text centered inside it. I'm using the drawableLeft attribute to set the image, this works well if the button has a width of "wrap_content" but I need to stretch to max width so I use width "fill_parent" . This moves my icon straight to the left of the b...
How do I detect “shift+enter” and generate a new line in Textarea?
...ndToStart', re);
return rc.text.length;
}
return 0;
}
And then replacing the textarea value accordingly when Shift + Enter together , submit the form if Enter is pressed alone.
$('textarea').keyup(function (event) {
if (event.keyCode == 13) {
var content = this.val...
SFTP in Python? (platform independent)
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Paramiko supports SFTP. I've used it, and I've used Twisted. Both have their place, but you might find it easier to start with Paramiko.
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How to automatically select all text on focus in WPF TextBox?
If I call SelectAll from a GotFocus event handler, it doesn't work with the mouse - the selection disappears as soon as mouse is released.
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Is it possible to send a variable number of arguments to a JavaScript function?
...og(arg))
}
const values = ['a', 'b', 'c']
func(...values)
func(1, 2, 3)
And you can combine it with normal parameters, for example if you want to receive the first two arguments separately and the rest as an array:
function func(first, second, ...theRest) {
//...
}
And maybe is useful to you...
Select multiple images from android gallery
So basically what i am trying to achieve is opening the Gallery in Android and let the user select multiple images . Now this question has been asked frequently but i'm not satisfied with the answers. Mainly because i found something interesting in de docs in my IDE (i come back on this later) ...