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Check that Field Exists with MongoDB
...eUploader: {
brandingHtml: "Powered by \u003ca href=\"https://imgur.com/\"\u003e\u003csvg class=\"svg-icon\" width=\"50\" height=\"18\" viewBox=\"0 0 50 18\" fill=\"none\" xmlns=\"http://www.w3.org/2000/svg\"\u003e\u003cpath d=\"M46.1709 9.17788C46.1709 8.26454 46.2665 7.94324 4...
How to find and return a duplicate value in array
...ou're writing this code for some huge scaling data (and if so, you can actually just use C or Python), the provided answer is far more elegant/readable, and isnt' going to run that much slower compared to a linear time solution. furthermore, in theory, the linear time solution requires linear space,...
MySql export schema without data
...
You Can Use MYSQL Administrator Tool its free
http://dev.mysql.com/downloads/gui-tools/5.0.html
you'll find many options to export ur MYSQL DataBase
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how to listen to N channels? (dynamic select statement)
... value.String()
You can experiment with a more fleshed out example here: http://play.golang.org/p/8zwvSk4kjx
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Linear Regression and group by in R
...
fits <- lmList(response ~ year | state, data=d)
fits
#------------
Call: lmList(formula = response ~ year | state, data = d)
Coefficients:
(Intercept) year
CA -1.34420990 0.17139963
NY 0.00196176 -0.01852429
Degrees of freedom: 20 total; 16 residual
Residual standard error: 0.820...
Is it possible to change the textcolor on an Android SearchView?
...ans using reflection. Also works with appcompat.
– dj_bushido
Jan 3 '15 at 22:44
You can also set android:theme on the...
How can I find a specific element in a List?
... setter methods (as you might be used to from Java), write
private string _id;
public string Id
{
get
{
return _id;
}
set
{
_id = value;
}
}
value is a contextual keyword known only in the set accessor. It represents the value assigned to the property.
Sin...
How do I catch a PHP fatal (`E_ERROR`) error?
...o $e->getMessage(); // Call to a member function method() on string
}
https://3v4l.org/67vbk
Or you can use Throwable interface to catch all exceptions.
Example:
<?php
try {
undefinedFunctionCall();
} catch (Throwable $e) {
// Handle error
echo $e->getMe...
TortoiseSVN icons not showing up under Windows 7
I can't seem to get the icons to display under Windows 7 and I really miss this from Windows XP.
31 Answers
...
UITextField text change event
...tter:
This involves the Key-Value Observing (KVO) feature of Objective-C (http://developer.apple.com/library/ios/#documentation/cocoa/conceptual/KeyValueObserving/KeyValueObserving.html#//apple_ref/doc/uid/10000177-BCICJDHA).
Basically, you register yourself as an observer of a property and if thi...