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OrderBy descending in Lambda expression?
... orderby person.Name descending, person.Age descending
select person.Name;
is equivalent to:
var query = people.OrderByDescending(person => person.Name)
.ThenByDescending(person => person.Age)
.Select(person => person.Name);
...
Why does sys.exit() not exit when called inside a thread in Python?
...and I'm confused as to why the following code snippet would not exit when called in the thread, but would exit when called in the main thread.
...
Update or Insert (multiple rows and columns) from subquery in PostgreSQL
...table.col1 = 123;
For the INSERT
Use:
INSERT INTO table1 (col1, col2)
SELECT col1, col2
FROM othertable
You don't need the VALUES syntax if you are using a SELECT to populate the INSERT values.
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How to get the Power of some Integer in Swift language?
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I really like this solution, but with Swift 3 it does not work. Any idea how to make it work?
– Vanya
Sep 19 '16 at 18:51
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Possibility of duplicate Mongo ObjectId's being generated in two different collections?
...que ID (please let me know if there are more):
Before this discussion, recall that the BSON Object ID consists of:
[4 bytes seconds since epoch, 3 bytes machine hash, 2 bytes process ID, 3 bytes counter]
Here are the three possibilities, so you judge for yourself how likely it is to get a dupe:
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Insert picture/table in R Markdown [closed]
...explained fully here. Again, this function is intelligent in automatically selecting the correct formatting for the output selected.
```{r table}
knitr::kable(mtcars[1:5,, 1:5], caption = "A table caption")
```
If you want to make your own simple tables in R Markdown and are using R Studio, you c...
How to branch with TortoiseHG
...
Before commiting, click on Branch button (see image), Then select a branch or create a new one (by typing where you select the branches).
See the image here
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Fastest method to replace all instances of a character in a string [duplicate]
What is the fastest way to replace all instances of a string/character in a string in JavaScript? A while , a for -loop, a regular expression?
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How to convert a String to its equivalent LINQ Expression Tree?
...nking as a Where clause. If necessary, put it inside a list/array just to call .Where(string) on it! i.e.
var people = new List<Person> { person };
int match = people.Where(filter).Any();
If not, writing a parser (using Expression under the hood) isn't hugely taxing - I wrote one similar (a...
Is it possible to change icons in Visual Studio 2012?
...oad and install VS2012 Color Theme Editor - The next time you start VS2012 select the "Blue" theme from the color select window.
Now you should have a nice install of VS2012 that looks like my screen shot above! It takes three different applications to patch that hideous UI but it's certainly work...