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Join/Where with LINQ and Lambda
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I find that if you're familiar with SQL syntax, using the LINQ query syntax is much clearer, more natural, and makes it easier to spot errors:
var id = 1;
var query =
from post in database.Posts
join meta in database.Post_Metas on...
PostgreSQL create table if not exists
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This feature has been implemented in Postgres 9.1:
CREATE TABLE IF NOT EXISTS myschema.mytable (i integer);
For older versions, here is a function to work around it:
CREATE OR REPLACE FUNCTION create_mytable()
RETURNS void
LANGUAGE plpgsql AS
$func$
BEGIN
IF EXISTS (SELECT FROM ...
Check if table exists and if it doesn't exist, create it in SQL Server 2008
I am writing a Stored procedure in SQL Server 2008.
I need to check if a table exists in the database. If it doesn't then I need to create it.
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How to get the name of a function in Go?
..., some care may be required here: the documentation for .Pointer() states "If v's Kind is Func, the returned pointer is an underlying code pointer, but not necessarily enough to identify a single function uniquely. The only guarantee is that the result is zero if and only if v is a nil func Value."
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Regex replace uppercase with lowercase letters
...t (e.g. lOWERCASE => lOwercase)
Find: ([A-Z])(\w+)
Replace: $1\L$2
Shift-right-uppercase (e.g. Case => cAse => caSe => casE)
Find: ([a-z\s])([A-Z])(\w)
Replace: $1\l$2\u$3
Shift-left-uppercase (e.g. CasE => CaSe => CAse => Case)
Find: (\w)([A-Z])([a-z\s])
Replace: \u$1\l...
Why do we need C Unions?
... float to integer works? I don`t think so, as int and float are stored in different formats in memory. Can you explain your example?
– spin_eight
Oct 10 '12 at 10:51
3
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TortoiseSVN icons not showing up under Windows 7
...will hijack a bunch of the 11 possible overlay icons (boy would it be nice if Microsoft upped the number of these as the number of applications that use them seem to increase and increase)...
You can see what overlays are set up, and change them (at your own risk) in the registry here:
HKEY_LOCAL_...
Html.RenderPartial giving me strange overload error?
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StackExchange.ifUsing("editor", function () {
StackExchange.using("externalEditor", function () {
StackExchange.using("snippets", function () {
StackExchange.snippets.init();
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使用App Inventor扩展实现多点触控：Rotation Detector · App Inventor 2 中文网
...ve as a template for a general rotation detector component that can be modified to fulfill specific requirements.
The implementation approach for multitouch here follows Using App Inventor extensions to implement multitouch: Scale Detector, which contains a more detailed explanation of the techni...
PHP - Extracting a property from an array of objects
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If you have PHP 5.5 or later, the best way is to use the built in function array_column():
$idCats = array_column($cats, 'id');
But the son has to be an array or converted to an array
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