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Select distinct using linq [duplicate]
... is iterated. When you call ToList it actually walks the entire enumerable forcing all of the work to be done up front. (And may take a little while if your enumerable is infinitely long.)
The flipside to this advice is that each time you enumerate such an IEnumerable the work to evaluate it has to...
Pythonic way to create a long multi-line string
...not the most efficient way to do it, but I'm not really concerned about performance in this stage, just code readability). Example:
...
How to parse JSON in Scala using standard Scala classes?
... "completeness": 0.9
}]
}
""".stripMargin
val result = for {
Some(M(map)) <- List(JSON.parseFull(jsonString))
L(languages) = map("languages")
M(language) <- languages
S(name) = language("name")
B(active) = language("is_active")
D(completeness) = lang...
CSS selector with period in ID
The HTML spec allows for periods (.) in an id:
2 Answers
2
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Using regular expression in css?
I have an html page with divs that have id (s) of the form s1 , s2 and so on.
8 Answers
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MYSQL Truncated incorrect DOUBLE value
...
Really glad I found this answer before throwing the computer in to a wall
– rbennell
Aug 31 '17 at 16:53
19
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Can I return the 'id' field after a LINQ insert?
...u'll need to set your field to "database generated" and "update on insert" for this to work.
– Sam
Sep 22 '08 at 9:57
1
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How to add Google Analytics Tracking ID to GitHub Pages
...
Update: Added steps descriptions for others
Solved it:
had to include username.github.io (link that I want to track) in Google Analytics website section.
you can check GitHub help page here
After that I was provided with an Tracker ID.
Note: Y...
How to find duplicates in 2 columns not 1
...en the two fields. This will require a unique stone_id and upcharge_title for each row.
As far as finding the existing duplicates try this:
select stone_id,
upcharge_title,
count(*)
from your_table
group by stone_id,
upcharge_title
having count(*) > 1
...
How to check edittext's text is email address or not?
...
/**
* method is used for checking valid email id format.
*
* @param email
* @return boolean true for valid false for invalid
*/
public static boolean isEmailValid(String email) {
String expression = "^[\\w\\.-]+@([\\w\\-]+\\.)+[A-Z]{2,4}...