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What's the difference between utf8_general_ci and utf8_unicode_ci?
...mise that's probably not needed for speed reasons and probably also not suitable for accuracy reasons.
One other thing I'll add is that even if you know your application only supports the English language, it may still need to deal with people's names, which can often contain characters used in othe...
Combine two ActiveRecord::Relation objects
...ny odd situations, by using Rails' built-in Arel.
User.where(
User.arel_table[:first_name].eq('Tobias').or(
User.arel_table[:last_name].eq('Fünke')
)
)
This merges both ActiveRecord relations by using Arel's or.
Merge, as was suggested here, didn't work for me. It dropped the 2nd set...
How to select only the records with the highest date in LINQ
I have a table, 'lasttraces', with the following fields.
5 Answers
5
...
How do I get a raw, compiled SQL query from a SQLAlchemy expression?
...st print the query:
>>> print(query)
SELECT field_1, field_2 FROM table WHERE id=%s;
You can get one step closer with query.statement, to see the parameter names. Note :id_1 below vs %s above -- not really a problem in this very simple example, but could be key in a more complicated statem...
Sanitizing strings to make them URL and filename safe?
...d". The definition of letters and digits is controlled by PCRE's character tables, and may vary if locale-specific matching is taking place. For example, in the "fr" (French) locale, some character codes greater than 128 are used for accented letters, and these are matched by \w.
Creating the s...
How do I automatically update a timestamp in PostgreSQL
...
To populate the column during insert, use a DEFAULT value:
CREATE TABLE users (
id serial not null,
firstname varchar(100),
middlename varchar(100),
lastname varchar(100),
email varchar(200),
timestamp timestamp default current_timestamp
)
Note that the value for that column c...
How to find if a native DLL file is compiled as x64 or x86?
...ate stamp Tue Apr 06 12:26:59 2010
0 file pointer to symbol table
0 number of symbols
F0 size of optional header
2022 characteristics
Executable
Application can handle large (>2GB) addresses
...
ng-model for `` (with directive DEMO)
...le" select-ng-files ng-model="fileArray" multiple>
<code><table ng-show="fileArray.length">
<tr><td>Name</td><td>Date</td><td>Size</td><td>Type</td><tr>
<tr ng-repeat="file in fileArray">
<td>{{...
UITapGestureRecognizer breaks UITableView didSelectRowAtIndexPath
...ouch:(UITouch *)touch
{
if ([touch.view isDescendantOfView:autocompleteTableView]) {
// Don't let selections of auto-complete entries fire the
// gesture recognizer
return NO;
}
return YES;
}
That took care of it. Hopefully this will help others as well.
...
How do I enable EF migrations for multiple contexts to separate databases?
...les in the Migrations folder
In SSMS, delete the __MigrationHistory system table.
Creating the initial migration:
In Package Manager Console:
Enable-Migrations -EnableAutomaticMigrations -ContextTypeName
NamespaceOfContext.ContextA -ProjectName ProjectContextIsInIfNotMainOne
-StartupProjectName...