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How to change the foreign key referential action? (behavior)
...ocess:
Suppose, a table1 has a foreign key with column name fk_table2_id, with constraint name fk_name and table2 is referred table with key t2 (something like below in my diagram).
table1 [ fk_table2_id ] --> table2 [t2]
First step, DROP old CONSTRAINT: (reference)
ALTER TABLE ...
What does “@@ -1 +1 @@” mean in Git's diff output?
...time
+++ to-file to-file-modification-time
The time stamp looks like 2002-02-21 23:30:39.942229878 -0800 to indicate the date, time with fractional seconds, and time zone. The fractional seconds are omitted on hosts that do not support fractional time stamps.
You can change the header's c...
Creating Multifield Indexes in Mongoose / MongoDB
...For your case it would be something like:
mySchema.index({field1: 1, field2: 1}, {unique: true});
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Can we set a Git default to fetch all tags during a remote pull?
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answered May 21 '13 at 19:50
joshtklingjoshtkling
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Grab a segment of an array in Java without creating a new array on heap
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(Honestly, I feel my answer is worthy of deletion. The answer by @unique72 is correct. Imma let this edit sit for a bit and then I shall delete this answer.)
I don't know of a way to do this directly with arrays without additional heap allocation, but the other answers using a sub-list wrapper...
How to programmatically round corners and set random background colors
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213
Instead of setBackgroundColor, retrieve the background drawable and set its color:
v.setBackg...
How to plot two columns of a pandas data frame using points?
...he plotted line when calling df.plot:
df.plot(x='col_name_1', y='col_name_2', style='o')
The style argument can also be a dict or list, e.g.:
import numpy as np
import pandas as pd
d = {'one' : np.random.rand(10),
'two' : np.random.rand(10)}
df = pd.DataFrame(d)
df.plot(style=['o','rx'])...
Calculate business days
I need a method for adding "business days" in PHP. For example, Friday 12/5 + 3 business days = Wednesday 12/10.
36 Answers...
Can Selenium interact with an existing browser session?
...ome working code which claims to support this: https://web.archive.org/web/20171214043703/http://tarunlalwani.com/post/reusing-existing-browser-session-selenium-java/.
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How do I disable the “Press ENTER or type command to continue” prompt in Vim?
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answered May 20 '09 at 23:55
TabithaTabitha
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