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namespaces for enum types - best practices
...default for newly-created enums,
add further methods, like for returning a string representation of a choice.
Just note that you need to declare operator enum_type() so that C++ would know how to convert your class into underlying enum. Otherwise, you won't be able to pass the type to a switch sta...
How do I hide javascript code in a webpage?
... makes it one step removed from View Source - that's all, but it's a valid extra step.
– jfriend00
Jul 29 '11 at 7:09
...
TypeError: ObjectId('') is not JSON serializable
...al example from json_util.
Unlike Flask's jsonify, "dumps" will return a string, so it cannot be used as a 1:1 replacement of Flask's jsonify.
But this question shows that we can serialize using json_util.dumps(), convert back to dict using json.loads() and finally call Flask's jsonify on it.
E...
iphone Core Data Unresolved error while saving
... // If Cocoa generated the error...
if ([[error domain] isEqualToString:@"NSCocoaErrorDomain"]) {
// ...check whether there's an NSDetailedErrors array
NSDictionary *userInfo = [error userInfo];
if ([userInfo valueForKey:@"NSDetailedErrors"] ...
LINQ - Full Outer Join
...zed, right now.
See it live on http://ideone.com/O36nWc
static void Main(string[] args)
{
var ax = new[] {
new { id = 1, name = "John" },
new { id = 2, name = "Sue" } };
var bx = new[] {
new { id = 1, surname = "Doe" },
new { id = 3, surname = "Smith" } };...
Compare two files in Visual Studio
...ven combine it with the script to gain elevated rights, with only a little extra effort.
MSDN References:
Usage of diff window
Visual Studio's Diff parameter
*) Footnote: Because vsPath (the path to DEVENV.exe) differs depending on your version of Visual Studio, I am describing how you can fi...
SQL left join vs multiple tables on FROM line?
...ON Company.ID = Department.CompanyID AND Department.Name LIKE '%X%'
This extra clause is used for the joining, but is not a filter for the entire row. So the row might appear with company information, but might have NULLs in all the department and employee columns for that row, because there is no...
How to replace a character with a newline in Emacs?
...m trying to replace a character - say ; - with a new line using replace-string and/or replace-regexp in Emacs.
6 Answ...
What is the meaning of the prefix N in T-SQL statements and when should I use it?
...
It's declaring the string as nvarchar data type, rather than varchar
You may have seen Transact-SQL code that passes strings around using
an N prefix. This denotes that the subsequent string is in Unicode
(the N actually stands for Nati...
Check if a temporary table exists and delete if it exists before creating a temporary table
...the problem.
The following works fine for me in SQL Server 2005, with the extra "foo" column appearing in the second select result:
IF OBJECT_ID('tempdb..#Results') IS NOT NULL DROP TABLE #Results
GO
CREATE TABLE #Results ( Company CHAR(3), StepId TINYINT, FieldId TINYINT )
GO
select company, step...