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How can I use 'Not Like' operator in MongoDB
... can use $options => i for case of insensitive search.
Doesn't Contain string
db.collection.find({name:{'$regex' : '^((?!string).)*$', '$options' : 'i'}})
Exact case insensitive string
db.collection.find({name:{'$regex' : '^string$', '$options' : 'i'}})
Starts with string
db.collection.fi...
Cross-thread operation not valid: Control 'textBox1' accessed from a thread other than the thread it
...port1_DataReceived method, use this pattern:
delegate void SetTextCallback(string text);
private void SetText(string text)
{
// InvokeRequired required compares the thread ID of the
// calling thread to the thread ID of the creating thread.
// If these threads are different, it returns true.
...
Send string to stdin
... use a bash alias, you just use the form command_alias <<< "stdin string", otherwise it will say command not found
– Pyrolistical
Feb 12 '14 at 17:26
...
What does an exclamation mark mean in the Swift language?
...wn as forced unwrapping of the optional’s value:
Example
let possibleString: String? = "An optional string."
print(possibleString!) // requires an exclamation mark to access its value
// prints "An optional string."
let assumedString: String! = "An implicitly unwrapped optional string."
print...
How to check if an object is an array?
I'm trying to write a function that either accepts a list of strings, or a single string. If it's a string, then I want to convert it to an array with just the one item so I can loop over it without fear of an error.
...
Converting many 'if else' statements to a cleaner approach [duplicate]
...ke this for each converter. Then you could set up a map like this:
Map<String, Converter> mimeTypeMap = new HashMap<String, Converter>();
mimeTypeMap.put("audio/mpeg", new MpegConverter());
Then your convertToMp3 method becomes like this:
Converter converter = mimeTypeMap.get(mimeTy...
How to concatenate strings with padding in sqlite
...
The || operator is "concatenate" - it joins together the two strings of
its operands.
From http://www.sqlite.org/lang_expr.html
For padding, the seemingly-cheater way I've used is to start with your target string, say '0000', concatenate '0000423', then substr(result, -4, 4) for '...
How to print a date in a regular format?
... objects. Therefore, when you manipulate them, you manipulate objects, not strings or timestamps.
Any object in Python has TWO string representations:
The regular representation that is used by print can be get using the str() function. It is most of the time the most common human readable format a...
How can I add or update a query string parameter?
With javascript how can I add a query string parameter to the url if not present or if it present, update the current value? I am using jquery for my client side development.
...
Split function equivalent in T-SQL?
...
Here is somewhat old-fashioned solution:
/*
Splits string into parts delimitered with specified character.
*/
CREATE FUNCTION [dbo].[SDF_SplitString]
(
@sString nvarchar(2048),
@cDelimiter nchar(1)
)
RETURNS @tParts TABLE ( part nvarchar(2048) )
AS
BEGIN
if @sStri...