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Difference between one-to-many and many-to-one relationship
...) has only 1 order for $158.01.
What is important to realize is that typically the one-to-many relationship doesn't actually add any columns to the table that is the "one". The Customer has no extra columns which describe the relationship with Order. In fact the Customer might also have a one-to-...
application/x-www-form-urlencoded or multipart/form-data?
...form-urlencoded, the body of the HTTP message sent to the server is essentially one giant query string -- name/value pairs are separated by the ampersand (&), and names are separated from values by the equals symbol (=). An example of this would be:
MyVariableOne=ValueOne&MyVariableTwo=V...
When to use CouchDB over MongoDB and vice versa
...ta changes too much, filling up disks.
CouchDB : For accumulating, occasionally changing data, on which pre-defined queries are to be run. Places where versioning is important.
A recent (Feb 2012) and more comprehensive comparison by Riyad Kalla,
MongoDB : Master-Slave Replication ONLY
CouchDB ...
Windows batch files: .bat vs .cmd?
...g that my code will never need to run on anything older than NT, does it really matter which way I name my batch files, or is there some gotcha awaiting me by using the wrong suffix?
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Run PHP Task Asynchronously
...egistration' button, I don't want to make them wait until the email is actually sent, I just want to start the process, and return a message to the user right away.
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JavaScript code to stop form submission
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Just use a simple button instead of a submit button. And call a JavaScript function to handle form submit:
<input type="button" name="submit" value="submit" onclick="submit_form();"/>
Function within a script tag:
function submit_form() {
if (conditions) {
docu...
Best practices/guidance for maintaining assembly version numbers
...T assembly. The Product version is the simplest, as this seems would normally be dictated by business. Then, the file version seems to be for versioning between deployments, where the actual assembly version is only used when shipping.
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Which is the best library for XML parsing in java [closed]
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Actually Java supports 4 methods to parse XML out of the box:
DOM Parser/Builder: The whole XML structure is loaded into memory and you can use the well known DOM methods to work with it. DOM also allows you to write to the docu...
How to set time zone of a java.util.Date?
... @BrDaHa is correct.You'll need to TimeZone.setDefault() before calling getTime() so that the new date object will be in the time zone that you want. In JDK 1.8, Calendar.getTime() calls return new Date(getTimeInMillis());.
– jpllosa
May 9 '17 at 9:29...
Coroutine vs Continuation vs Generator
.... As @zvolkov mentioned, they're functions/objects that can be repeatedly called without returning, but when called will return (yield) a value and then suspend their execution. When they're called again, they will start up from where they last suspended execution and do their thing again.
A genera...