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COALESCE Function in TSQL
...the documentation is vague.
It simply goes through all the parameters one by one, and returns the first that is NOT NULL.
COALESCE(NULL, NULL, NULL, 1, 2, 3)
=> 1
COALESCE(1, 2, 3, 4, 5, NULL)
=> 1
COALESCE(NULL, NULL, NULL, 3, 2, NULL)
=> 3
COALESCE(6, 5, 4, 3, 2, NULL)
=> 6
C...
How to get overall CPU usage (e.g. 57%) on Linux [closed]
...t as well throw up an actual response with my solution, which was inspired by Peter Liljenberg's:
$ mpstat | awk '$12 ~ /[0-9.]+/ { print 100 - $12"%" }'
0.75%
This will use awk to print out 100 minus the 12th field (idle), with a percentage sign after it. awk will only do this for a line where t...
Sync data between Android App and webserver [closed]
...
I'll try to answer all your questions by addressing the larger question: How can I sync data between a webserver and an android app?
Syncing data between your webserver and an android app requires a couple of different components on your android device.
Persi...
What is the size of column of int(11) in mysql in bytes?
What is the size of column of int(11) in mysql in bytes?
11 Answers
11
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How to copy data from one table to another new table in MySQL?
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why [AS] is in square brackets, what is done by AS in here
– Kasun Siyambalapitiya
Jul 31 '16 at 4:58
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How to detect Adblock on my website?
...t;/script>
</body>
</html>
Files like ads.js are blocked by at least these adblockers on Chrome:
AdBlock
Adblock Plus
Adblock Pro
Ghostery
Update on 2019-02-15:
Added Ghostery in the list above because the extension now also blocks requests to ads.js. Very handy. Does this mean t...
How to store custom objects in NSUserDefaults
...g calls to encodeObject with something relevant to your own object):
- (void)encodeWithCoder:(NSCoder *)encoder {
//Encode properties, other class variables, etc
[encoder encodeObject:self.question forKey:@"question"];
[encoder encodeObject:self.categoryName forKey:@"category"];
[en...
How can I redirect HTTP requests made from an iPad?
...at way, it's enough to be able to access your web application on your iPad by entering the url of the virtual host (e.g. local.mywebapp.com). It's easy and quick, but unlike Will Koehler's solution, you will however not be able to access Internet from the iPad. But most of the time it's not really a...
Should I avoid the use of set(Preferred|Maximum|Minimum)Size methods in Java Swing?
... know, personally I think of it as an API design accident. Slightly forced by compound components having special ideas about child sizes. "Slightly", because they should have implemented their needs with a custom LayoutManager.
What exactly are the negative consequences of using those methods? (I...
Storing integer values as constants in Enum manner in java [duplicate]
...s would return 0. Probably this anwser is related to a java version, that didn't have this feature, yet.
– TheTrowser
Jul 1 '15 at 13:36
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