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#pragma once vs include guards? [duplicate]
...inks, network filesystems, and even name collision --try with a file named string.h or something like that--). Not taking into account speed, you could have a script that substituted any, say, %INCLUDE_GUARD% in a file for an automatically-managed guard symbol; you would write headers as header.hpp....
Hibernate SessionFactory vs. JPA EntityManagerFactory
...lback method annotations like @PrePersist, @PostPersist,@PreUpdate with no extra configuration.
Using similar callbacks while using SessionFactory will require extra efforts.
Related Hibernate docs can be found here and here.
Related SOF Question and Spring Forum discussion
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Bogus foreign key constraint fail
...T FOREIGN_KEY_CHECKS=1;
Where the SET FOREIGN_KEY_CHECKS=1 serves as an extra security measure...
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how to create a file name with the current date & time in python?
...ng datetime, this solves your problem (answers your question) of getting a string with the current time and date format you specify:
import time
timestr = time.strftime("%Y%m%d-%H%M%S")
print timestr
yields:
20120515-155045
so your filename could append or use this string.
...
Mongoose populate after save
...: 'User',
get: get_creator,
set: set_creator
},
description: String,
});
NOTE: I didn't test it and it might work strangely with .populate and when setting pure id.
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POSTing JsonObject With HttpClient From Web API
... HttpClient and without the WebApi package it would be:
var content = new StringContent(jsonObject.ToString(), Encoding.UTF8, "application/json");
var result = client.PostAsync(url, content).Result;
Or if you want it async:
var result = await client.PostAsync(url, content);
...
How do I open an old MVC project in Visual Studio 2012 or Visual Studio 2013?
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.csproj : error : The operation could not be completed. Invalid class string
I can't find any citations for the real cause of that, but I was able to get VS2012RTM to load the project successfully by changing the <ProjectGuid>. (No idea how this happened - its part of a large solution ...
Why would I want stage before committing in Git?
...then you do your work, then you run git add, and then git commit. Why the extra git add step?
The secret here is what Git calls, variously, the index, or the staging area, or sometimes—rarely these days—the cache. These are all names for the same thing.
Edit: I think I may be confusing the te...
MemoryCache does not obey memory limits in configuration
...s intended, tested out with a generator which fills up cache with loads of strings of 1000 characters. Although, adding up what should be like 100MB to the cache adds up actually 200 - 300MB to the cache, which I found quite strange. Maybe some overheards I'm not counting.
– K...
Hidden Features of SQL Server
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Connection String extras:
MultipleActiveResultSets=true;
This makes ADO.Net 2.0 and above read multiple, forward-only, read-only results sets on a single database connection, which can improve performance if you're doing a lot of read...