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Altering a column: null to not null
...semantics of NULL can have a few meanings. One of the common meaning is UNKNOWN. Take SCORE as an example. A null SCORE and a ZERO SCORE is a world of difference! Before you did the above recommendations. Make sure you application does not take null in its business logic.
– Tec...
Git Remote: Error: fatal: protocol error: bad line length character: Unab
I set up a git server and want now to push initially my repo from the client.
I used git push origin master and get this error message:
...
What is the main difference between PATCH and PUT request?
I am using a PUT request in my Rails application. Now, a new HTTP verb, PATCH has been implemented by browsers. So, I want to know what the main difference between PATCH and PUT requests are, and when we should use one or the other.
...
What is the difference between self::$bar and static::$bar in PHP?
...d PHP for the self variable, which in turn asks for Foos variable instead.
Now if we swap the call with static, we will instead get Bars overridden value:
With static call:
class Foo
{
protected static $var = 123;
public function getVar()
{
return static::$var;
}
}
clas...
Why do we need to install gulp globally and locally?
...
I know that it's best to use local installs, but there might be cases where you just can't install it or just don't want to (imagine that your dedicated CI server has gulp globally installed and you are reinstalling it on every...
Android, ListView IllegalStateException: “The content of the adapter has changed but ListView did no
... @user3019105 check the edited answer. Hope its helpful to you now
– Javanator
May 4 '14 at 12:15
this ans...
What exactly does the post method do?
...he question, this is more like a generic answer for beginners who doesn't know anything about the ui-thread and multi threading. This doesn't explains why throwing the animation ahead in the queue makes the animation work; an animation is supposed to be something to execute directly in the ui-thread...
Does PowerShell support constants?
...the Set-Variable cmdlet:
Set-Variable myvar -option Constant -value 100
Now $myvar has a constant value of 100 and cannot be modified.
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How to get the width and height of an android.widget.ImageView?
...
I just set this property and now Android OS is taking care of every thing.
android:adjustViewBounds="true"
Use this in your layout.xml where you have planted your ImageView :D
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Difference between Rebuild and Clean + Build in Visual Studio
...ou execute Clean sln + Build sln, they will give a link error and let you know that immediately, instead of giving you an app with odd behavior.
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