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How do I check if a Sql server string is null or empty
...ompany.Offer_Text) AS Offer_Text
FROM ...
is the most elegant solution.
And to break it down a bit in pseudo code:
// a) NULLIF:
if (listing.Offer_Text == '')
temp := null;
else
temp := listing.Offer_Text; // may now be null or non-null, but not ''
// b) ISNULL:
if (temp is null)
result :=...
How to get list of all installed packages along with version in composer?
...y 2.1 on my local machine. I have uploaded it to my server but when I try and install the vendor bundles using Composer, I'm getting a lot of dependency errors. Presumably this is something to do with the latest version of Symfony just being released and my composer.json file not specifying exac...
How to define an alias in fish shell?
...
# Then, to save it across terminal sessions:
funcsave rmi
This last command creates the file ~/.config/fish/functions/rmi.fish.
Interested people might like to find out more about fish aliases in the official manual.
sha...
How can I set Image source with base64
...8GIAXDIBKE0DHxgljNBAAO9TXL0Y4OHwAAAABJRU5ErkJggg=='
);
Real answer:
(And make sure you remove the line-breaks in the base64.)
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Creating hidden arguments with Python argparse
...ge: frobble [-h]
optional arguments:
-h, --help show this help message and exit
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Is there an equivalent to e.PageX position for 'touchstart' event as there is for click event?
... Unfortunately didn't work for me, I ended up having to get the x and y on the first touchmove.
– andrewb
Jan 22 '14 at 23:20
...
X-Frame-Options Allow-From multiple domains
... is deprecated. From MDN:
This feature has been removed from the Web standards. Though some browsers may still support it, it is in the process of being dropped. Do not use it in old or new projects. Pages or Web apps using it may break at any time.
The modern alternative is the Content-Securi...
How to get Spinner value?
In Android, I am trying to get the selected Spinner value with a listener.
7 Answers
7...
Objective-C: Property / instance variable in category
...a single storage slot. So if you wanted to use this on multiple instances and have each instance compute a distinct value, it wouldn't work.
Fortunately, the Objective-C runtime has this thing called Associated Objects that can do exactly what you're wanting:
#import <objc/runtime.h>
stati...
Symbol for any number of any characters in regex?
...n (any whitespace or any non-whitespace) as many times as possible down to and including 0.
[\s\S]*
This expression will match as few as possible, but as many as necessary for the rest of the expression.
[\s\S]*?
For example, in this regex [\s\S]*?B will match aB in aBaaaaB. But in this regex...