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How to move a model between two Django apps (Django 1.7)
...eld. Then run python manage.py makemigrations
After doing Ozan's steps, re-convert your foreign keys: put back ForeignKey(TheModel)instead of IntegerField(). Then make the migrations again (python manage.py makemigrations). You can then migrate and it should work (python manage.py migrate)
Hope it...
Repair all tables in one go
...
Use following query to print REPAIR SQL statments for all tables inside a database:
select concat('REPAIR TABLE ', table_name, ';') from information_schema.tables
where table_schema='mydatabase';
After that copy all the queries and execute it on...
How to use Elasticsearch with MongoDB?
...= 1; i <= 25; i++) db.YOUR_COLLECTION_NAME.insert( { x : i } )
Now to Convert the standalone MongoDB into a Replica Set.
First Shutdown the process.
mongo YOUR_DATABASE_NAME
use admin
db.shutdownServer()
Now we're running MongoDB as a service, so we don't pass in the "--replSet rs0" option ...
Create table (structure) from existing table
...
Try:
Select * Into <DestinationTableName> From <SourceTableName> Where 1 = 2
Note that this will not copy indexes, keys, etc.
If you want to copy the entire structure, you need to generate a Create Script of the table. You c...
Stopwatch vs. using System.DateTime.Now for timing events [duplicate]
... Please take a look at the line, where count is defined. It is defined as: int count = repetitions - discardCount;. That is why when calculating the average time I subtract discardCount only once (it has already been subtracted once). Regards.
– Pavel Vladov
Au...
What's the difference between EscapeUriString and EscapeDataString?
...de the "+" characters, it just left them as is, EscapeDataString correctly converted them to "%2B".
– BrainSlugs83
Nov 10 '13 at 3:42
7
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LINQ with groupby and count
.../array of some class that looks like
class UserInfo {
string name;
int metric;
..etc..
}
...
List<UserInfo> data = ..... ;
When you do data.GroupBy(x => x.metric), it means "for each element x in the IEnumerable defined by data, calculate it's .metric, then group all the eleme...
Cannot highlight all occurrences of a selected word in Eclipse
...entifiers in editors of whatever language. For example, it won't highlight int in C editors, and it won't help at all in the Console pane.
So if you want to highlight ALL occurrences on ANY word in ANY Eclipse pane (kinda like Notepad++ does), try the Glance plug-in for Eclipse.
As of November 201...
How to search file text for a pattern and replace it with a given value
...en you try to mv the file across a device mount you will transparently get converted to cp behavior. The old file will be opened, the old files inode will be preserved and reopened and the file contents will be copied. This is most likely not what you want, and you may run into "text file busy" err...
What Does 'Then' Really Mean in CasperJS
... I initially thought that CasperJS was doing a new trick of converting functions into DOMWindows, but the problem was really "return this.toString()" vs "return step.toString()" -- I submitted an edit for the answer.
– starlocke
Nov 1 '12 at 15:3...