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Checking to see if a DateTime variable has had a value assigned
...est.StartDateTime == default(DateTime) { request.StartDateTime = DateTime.Now; }
– Menol
May 13 '16 at 8:33
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Does PostgreSQL support “accent insensitive” collations?
...n't tested it myself. I think I have come up with a better idea:
Best for now
This approach is more efficient as other solutions floating around, and safer.
Create an IMMUTABLE SQL wrapper function executing the two-parameter form with hard-wired schema-qualified function and dictionary.
Since ne...
What is copy-on-write?
I would like to know what copy-on-write is and what it is used for? The term 'copy-on-write array' is mentioned several times in the Sun JDK tutorials but I didn't understand what it meant.
...
Host 'xxx.xx.xxx.xxx' is not allowed to connect to this MySQL server
...ut this line. For my example, I'll say the actual server is on 10.1.1.7)
Now access the MySQL Database on your actual server (say your remote address is 123.123.123.123 at port 3306 as user 'root' and I want to change permissions on database 'dataentry'. Remember to change the IP Address, Port, a...
Improve subplot size/spacing with many subplots in matplotlib
...roblem. I've tried playing with the other parameters as well, but I don't know what left, right, bottom, and top are actually specifying there.
– mcstrother
Jul 1 '11 at 15:27
53
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How can I make XSLT work in chrome?
...r containing a web page as an attachment, which you download.
You open the now-local web page in your browser.
The local web page creates an <iframe> whose source is https://mail.google.com/mail/.
Because you are logged in to Gmail, the frame loads the messages in your inbox.
The local web pag...
Why does Python use 'magic methods'?
...a part of Python, and it’s too
late to make such fundamental changes
now. The functions have to remain to
avoid massive code breakage.
The other "magical methods" (actually called special method in the Python folklore) make lots of sense, and similar functionality exists in other languages...
What is function overloading and overriding in php?
...ue;
$a=doSomething();
Each variable is of a different type, yet you can know the type before execution (see the 4th one).
As a comparison, other languages use:
int a=1;
String s="1";
bool a=true;
something a=doSomething();
In the last example, you must forcefully set the variable's type (as an ...
XML serialization in Java? [closed]
...
2008 Answer
The "Official" Java API for this is now JAXB - Java API for XML Binding. See Tutorial by Oracle. The reference implementation lives at http://jaxb.java.net/
2018 Update
Note that the Java EE and CORBA Modules are deprecated in SE in JDK9 and to be removed fro...
is_null($x) vs $x === null in PHP [duplicate]
PHP has two (that I know of, and three if you count isset() ) methods to determine if a value is null: is_null() and === null . I have heard, but not confirmed, that === null is faster, but in a code review someone strongly suggested that I use is_null() instead as it is specifically design...