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How do I view the SQL generated by the Entity Framework?
... select x;
var sql = ((System.Data.Objects.ObjectQuery)query).ToTraceString();
or in EF6:
var sql = ((System.Data.Entity.Core.Objects.ObjectQuery)query)
.ToTraceString();
That will give you the SQL that was generated.
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How can I get all the request headers in Django?
...rip will strip out all leading characters that match any characters in the string you give it, so if you have a header "HTTP_TOKEN_ID" it will give back "OKEN_ID", because the "T" at the beginning of "TOKEN" matches a character in the string passed to lstrip. The way to do it is prefix = 'HTTP_'; h...
Bash array with spaces in elements
...ling the elements in the array, you call the indexes, which takes the full string thats wrapped in quotes.
It must be wrapped in quotes!
#!/bin/bash
Unix[0]='Debian'
Unix[1]='Red Hat'
Unix[2]='Ubuntu'
Unix[3]='Suse'
for i in $(echo ${!Unix[@]});
do echo ${Unix[$i]};
done
Then you'll get:
D...
Show current key setting?
...
By default mapleader is not set, and special string "<Leader>" means \.
If you do:
:echo mapleader
you will get
Undefined variable: mapleader
Invalid expression: mapleader
If you want to set special string "<Leader>" to a different key, say ",", which...
Collection was modified; enumeration operation may not execute
...have a class (_dictionary obj below) that contains a generic Dictionary<string,int> named MarkerFrequencies, but doing this didn't instantly solve the crash: lock (_dictionary.MarkerFrequencies) { foreach (KeyValuePair<string, int> pair in _dictionary.MarkerFrequencies) {...} }
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Why are the Level.FINE logging messages not showing?
...design does get to you, if one has been writing loggers that simply dumped strings into a file, console etc.
– Vineet Reynolds
Jun 11 '11 at 12:19
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How to deal with “java.lang.OutOfMemoryError: Java heap space” error?
... the Java class that has a runnable main (that is "public static void main(String[] args)"), then choose Run As - Run Configuration. Then "Arguments" is the tab right after the Main (you see the tabs Main, Arguments, JRE, Classpath, Source, Environment, Common).
– CuongHuyTo
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Getting the class name from a static method in Java
...ard-code in knowledge of MyClass like that, then you might as well just do String name = "MyClass"; !
– John Topley
Jun 1 '09 at 20:45
111
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How do I declare and assign a variable on a single line in SQL
...d';
You will note that the ' is escaped by doubling it to ''.
Since the string delimiter is ' and not ", there is no need to escape ":
DECLARE @var nvarchar(max) = '"My Name is Luca" is a great song';
The second example in the MSDN page on DECLARE shows the correct syntax.
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variable === undefined vs. typeof variable === “undefined”
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For undeclared variables, typeof foo will return the string literal "undefined", whereas the identity check foo === undefined would trigger the error "foo is not defined".
For local variables (which you know are declared somewhere), no such error would occur, hence the identit...