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How to start a background process in Python?
...nt your process to start in the background you can either use system() and call it in the same way your shell script did, or you can spawn it:
import os
os.spawnl(os.P_DETACH, 'some_long_running_command')
(or, alternatively, you may try the less portable os.P_NOWAIT flag).
See the documentation ...
How do you write a migration to rename an ActiveRecord model and its table in Rails?
... you want to use the plural version of your table name in the rename_table call.
– Han
Sep 20 '12 at 5:37
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SQLite UPSERT / UPDATE OR INSERT
... Why is that a bad thing? And if the data hasn't changed, why are you calling UPSERT in the first place? But even so, it's a good thing the update happens, setting Changes=1 or else the INSERT statement would incorrectly fire, which you don't want it to.
– Mark A. Donohoe...
How do I use an INSERT statement's OUTPUT clause to get the identity value?
...u can use this also from e.g. C#, when you need to get the ID back to your calling app - just execute the SQL query with .ExecuteScalar() (instead of .ExecuteNonQuery()) to read the resulting ID back.
Or if you need to capture the newly inserted ID inside T-SQL (e.g. for later further processing), ...
Difference between “read commited” and “repeatable read”
...nd it could see different rows based on COMMITTED only B writing. could we call it Simple Lock?
RepeatableRead: Transaction B will read the same data (rows) whatever Transaction A is doing. But Transaction A can change other rows. Rows level Block
Serialisable: Transaction B will read the same rows ...
Clear form fields with jQuery
...#form selector). And yes, one id should be used only once,this is why they call it "id", because it identifies one element unequivocally.
– Sk8erPeter
Aug 1 '16 at 9:14
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How to stop Gradle task execution in Android Studio?
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you can call ./gradlew --stop in a Terminal and it will kill all gradle processes
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Refresh image with a new one at the same url
..." + new Date().getTime();
This will append the current timestamp automatically when you are creating the image, and it will make the browser look again for the image instead of retrieving the one in the cache.
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Java Class that implements Map and keeps insertion order?
...use, as per javadocs, this only gives ordered values (through the values() call). Is there a way to get ordered Map.Entry instances?
– Cory Kendall
Feb 5 '12 at 6:52
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Get button click inside UITableViewCell
... sure your buttons tag is set. You really don't want to mix up your action calling. Either do it through IB or do it explicitly in your code.
– Sententia
Apr 29 '14 at 7:12
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