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Entity Framework vs LINQ to SQL
...sn't Entity Framework use LINQ to SQL when, say, you're writing a dbSet<Orders>.Where()...ToList() ? I think it's misleading to have Entity Framework opposed from LINQ to SQL.
– Don Cheadle
Jun 7 '16 at 19:13
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Why can I use a function before it's defined in JavaScript?
...signment with a function expression, which is evaluated in normal top-down order.
If you changed the example to say:
var internalFoo = function() { return true; };
it would stop working.
The function declaration is syntactically quite separate from the function expression, even though they look...
2 column div layout: right column with fixed width, left fluid
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Fantastic, simple solution and keeps the correct HTML order too!
– user1794295
Jul 11 '14 at 15:16
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How are ssl certificates verified?
...intermediate authorities up to one of the so-called "root" certificates in order for the server to be trusted.
You can examine and/or alter the list of trusted authorities. Often you do this to add a certificate for a local authority that you know you trust - like the company you work for or the sc...
How to check if an object is a list or tuple (but not string)?
This is what I normally do in order to ascertain that the input is a list / tuple - but not a str . Because many times I stumbled upon bugs where a function passes a str object by mistake, and the target function does for x in lst assuming that lst is actually a list or tuple .
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理解和配置 Linux 下的 OOM Killer - 操作系统(内核) - 清泛网 - 专注C/C++及内核技术
...on-rss:3744kB, file-rss:80kB
httpd invoked oom-killer: gfp_mask=0x201da, order=0, oom_adj=0, oom_score_adj=0
httpd cpuset=/ mems_allowed=0
Pid: 8911, comm: httpd Not tainted 2.6.32-279.1.1.el6.i686 #1
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21556 total pagecache pages
21049 pages in swap cache
Swap cache stats: add 12819...
SQL query to group by day
...ADD SaleDay AS DAY(Created) PERSISTED
and now you could easily group by, order by etc. by day, month or year of the sale:
SELECT SaleDay, SUM(Amount)
FROM dbo.Sales
GROUP BY SaleDay
Those calculated fields will always be kept up to date (when your "Created" date changes), they're part of your t...
Good ways to manage a changelog using git?
...he formatting characters from GIT.
* 197b069 new: dev: reverse ``natural`` order to get reverse chronological order by default. !refactor
* 6b891bc new: add utf-8 encoding declaration !minor
So if you've noticed, the format I chose is:
{new|chg|fix}: [{dev|pkg}:] COMMIT_MESSAGE [!{minor|refacto...
Is there a good reason to use upper case for SQL keywords? [closed]
...lies on the reader's ability to distinguish keywords versus identifiers in order to mentally parse the syntax.
The direct answer to your question, then, is more an answer to “why does the reader of SQL code benefit so much from uppercase keywords, when that's not as true for most modern languages...
What are the benefits of Java's types erasure?
...ersal (∀) and existential (∃) quantification from something like first-order logic.
Using type systems for reasoning
These goals can be very nicely addressed by type systems. This is especially clear because of the Curry-Howard correspondence. This correspondence is often expressed with the fo...