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How can I truncate a datetime in SQL Server?
...e portion of the values are gone when you cast them back to datetime. It's all just bit shifting with no complicated logic and it's very fast.
Be aware this relies on an implementation detail Microsoft is free to change at any time, even in an automatic service update. It's also not very portable....
How does Facebook Sharer select Images and other metadata when sharing my URL?
...of 3:1, and in PNG, JPEG or GIF format.
Can I specify multiple images to allow the user to select an image?
Yes, you just need to add multiple image meta tags in the order you want them to appear in. The user will then be presented with an image selector dialog:
I specified the appropriate imag...
How to stop an app on Heroku?
... your app you can scale the web dynos down to zero which effectively takes all your app http-processes offline.
$ heroku ps:scale web=0
Scaling web processes... done, now running 0
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Parcelable encountered IOException writing serializable object getactivity()
...the stack trace and work your way up to the last Caused by line. That's usually going to point to the specific problem. All the other stanzas of the stack trace represent wrapped exceptions around the "real" exception at the bottom of the trace.
– CommonsWare
A...
Difference between Service, Async Task & Thread?
... is the difference between Service, Async Task & Thread. If i am not wrong all of them are used to do some stuff in background. So, how to decide which to use and when?
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Delete first character of a string in Javascript
..."foobar";
var s2 = s1.substring(1);
alert(s2); // shows "oobar"
To remove all 0's at the start of the string:
var s = "0000test";
while(s.charAt(0) === '0')
{
s = s.substring(1);
}
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How to permanently export a variable in Linux?
...an add it to your shell configuration file, e.g. $HOME/.bashrc or more globally in /etc/environment.
After adding these lines the changes won't reflect instantly in GUI based system's you have to exit the terminal or create a new one and in server logout the session and login to reflect these change...
Why does make think the target is up to date?
... not-file-related targets, you should make them phony as follows:
.PHONY: all test clean
Note that you can declare all of your phony targets there.
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Aligning text and image on UIButton with imageEdgeInsets and titleEdgeInsets
... image and the start of text. The control itself is Center aligned horizontally (set through Interface Builder)
13 Answers
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Check if EditText is empty. [closed]
...users to input. I would like to know if I could have a method for checking all the 5 EditTexts if they are null. Is there any way to do this??
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