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How does the following LINQ statement work?
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This is called deferred execution.
-- Suprotim Agarwal, "Deferred vs Immediate Query Execution in LINQ"
There is another execution called Immediate Query Execution, which is useful for caching query results. From Suprotim Agarwal again:
To force immediate execution of a query that doe...
What does a just-in-time (JIT) compiler do?
...tion needs that is required codes are only converted to machine code.
JIT vs Non-JIT comparison:
In JIT not all the code is converted into machine code first a part
of the code that is necessary will be converted into machine code
then if a method or functionality called is not in machine then th...
Recommendations of Python REST (web services) framework? [closed]
... This is incorrect, Django has full support for recognizing POST vs GET and limiting views to only certain methods.
– aehlke
Jul 23 '09 at 14:18
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How to generate service reference with only physical wsdl file
... service WSDL and hit go:
2. To create it via the command line:
Open a VS 2010 Command Prompt (Programs -> Visual Studio 2010 -> Visual Studio Tools)
Then execute:
WSDL /verbose C:\path\to\wsdl
WSDL.exe will then output a .cs file for your consumption.
If you have other dependencies th...
Return 0 if field is null in MySQL
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This worked for me great in the middle of a SELECT vs the normal IFNULL(var, 0)
– ajankuv
Feb 18 '18 at 20:08
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NOW() function in PHP
...;format() approach is more readable to me then date().
date_create() VS new DateTime()
The favorable facts of date_create() over new DateTime() are:
Namespaces
Namespaces
If you work in a namespace and want to initialise a DateTime object with the new keyword, then you have to do it like...
bash assign default value
... @DanMoulding: what about : ${VERY_LONG_VARIABLE_NAME:=hello} vs. : VERY_LONG_VARIABLE_NAME=${VERY_LONG_VARIABLE_NAME:-hello}. I hope you use descriptive variable names in your code :)
– pihentagy
Mar 5 '14 at 14:12
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What is the relationship between the docker host OS and the container base image OS?
...rized. If the application requires a different kernel revision (e.g. 3.10 vs. 4.9) then it may not be able to run in a container. Is that right?
– David C.
Jul 13 '17 at 16:25
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ASP.NET Web API - PUT & DELETE Verbs Not Allowed - IIS 8
...rking correctly with IIS8. In fact if you install the release candidate of VS 2012 and create a new WEB API project you'll find that the sample PUT and DELETE methods return 404 errors out of the box.
To use the PUT and DELETE verbs with the Web API you need to edit %userprofile%\documents\iisexpre...
How do I search within an array of hashes by hash values in ruby?
...ou're looking for ONE match @fathers.select {|f| f["age"] > 35 }.first vs @fathers.detect {|f| f["age"] > 35 } for performance and readability, my vote goes for detect
– Naveed
Sep 5 '17 at 20:26
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