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MongoDB not equal to
I'm trying to display a query in MongoDB where a text field is not '' (blank)
6 Answers
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List of strings to one string
...is because the Join method was written for that purpose. In fact if you look at Reflector, you'll see that unsafe code was used to really optimize it. The other two also WORK, but I think the Join function was written for this purpose, and I would guess, the most efficient. I could be wrong though.....
Difference between Key, Primary Key, Unique Key and Index in MySQL
When should I use KEY , PRIMARY KEY , UNIQUE KEY and INDEX ?
8 Answers
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How do I split a string on a delimiter in Bash?
...n array. When this happens in a command, then the assignment to IFS only takes place to that single command's environment (to read ). It then parses the input according to the IFS variable value into an array, which we can then iterate over.
IFS=';' read -ra ADDR <<< "$IN"
for i in "${ADDR...
How to impose maxlength on textArea in HTML using JavaScript
I would like to have some functionality by which if I write
15 Answers
15
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Why are joins bad when considering scalability?
Why are joins bad or 'slow'. I know i heard this more then once. I found this quote
16 Answers
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What is the difference between single and double quotes in SQL?
...ally aren't used in SQL, but that can vary from database to database.
Stick to using single quotes.
That's the primary use anyway. You can use single quotes for a column alias — where you want the column name you reference in your application code to be something other than what the column is a...
How to replace all occurrences of a character in string?
... answered May 24 '10 at 11:33
Kirill V. LyadvinskyKirill V. Lyadvinsky
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What is the use of ObservableCollection in .net?
...gs to react in some way to the changes. WPF already has many operations like refreshing the UI built in so you get them for free when using ObservableCollections
class Handler
{
private ObservableCollection<string> collection;
public Handler()
{
collection = new Observab...
How to set Bullet colors in UL/LI html lists via CSS without using any images or span tags [duplicat
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</ul>
JSFiddle: http://jsfiddle.net/leaverou/ytH5P/
Will work in all browsers, including IE from version 8 and up.
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