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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);
...
How to fix “Referenced assembly does not have a strong name” error?
...at does not "have a strong name key", do
Right click on the project file
Select Properties
Select "Signing tab" (on the left)
Click the check box "Sign the assembly"
Then <Browse> to the .snk file you found earlier
That should do the trick. This solved a problem for me for one project usin...
Convert columns to string in Pandas
...cated dtype.
object dtype breaks dtype-specific operations like DataFrame.select_dtypes(). There isn’t a clear way to select just text
while excluding non-text but still object-dtype columns.
When reading code, the contents of an object dtype array is less clear than 'string'.
See also the se...
Can the Android layout folder contain subfolders?
...you backed everything up from step 1!!!)
Right click the res directory and select new > directory.
Name this new directory "layouts". (This can be whatever you want, but it will not be a 'fragment' directory or 'activity' directory, that comes later).
Right click the new "layouts" directory and s...
Text editor to open big (giant, huge, large) text files [closed]
... for quick scripts, and its .. (range flip-flop) operator makes for a nice selection mechanism to limit the crud you have to wade through.
For example:
$ perl -n -e 'print if ( 1000000 .. 2000000)' humongo.txt | less
This will extract everything from line 1 million to line 2 million, and allow you ...
Getting “Lock wait timeout exceeded; try restarting transaction” even though I'm not using a transac
...heck your database transaction isolation level in the mysql cli:
mysql> SELECT @@GLOBAL.tx_isolation, @@tx_isolation, @@session.tx_isolation;
+-----------------------+-----------------+------------------------+
| @@GLOBAL.tx_isolation | @@tx_isolation | @@session.tx_isolation |
+----------------...
What do I have to do to get Core Data to automatically migrate models?
...oordinator: %@",error);
}
Then you need to do a little trick in xCode:
Select your xcdatamodel file
Select the Design Menu at the top - then Data Model - then choose Add Model Version
Your xcdatamodel file will then get moved into a new directory with the same name as your xcdatamodel file but w...
What are bitwise shift (bit-shift) operators and how do they work?
...rs can be applied to integer values (int, long, possibly short and byte or char). In some languages, applying the shift operators to any datatype smaller than int automatically resizes the operand to be an int.
Note that <<< is not an operator, because it would be redundant.
Also note that...
SQL Server Regular expressions in T-SQL
... the database you stored the assembly in.
Then use in queries like so:
SELECT *
FROM
(
SELECT
DailyLog.Date,
DailyLog.Researcher,
DailyLog.team,
DailyLog.field,
DailyLog.EntityID,
DailyLog.[From],
DailyLog.[To],
dbo.RegexConta...
What is the best way to iterate over a dictionary?
...e wrong collection type in the first place), you should iterate dictionary.Select( (kvp, idx) => new {Index = idx, kvp.Key, kvp.Value}) instead and not use .ElementAt inside the loop.
– spender
Mar 2 '15 at 2:17
...