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How do I repeat an edit on multiple lines in Vim?
...
110
:10,20s/^/,/
Or use a macro, record with:
q a i , ESC j h q
use with:
@ a
Explanation: q a...
How to update column with null value
...special syntax:
CREATE TABLE your_table (some_id int, your_column varchar(100));
INSERT INTO your_table VALUES (1, 'Hello');
UPDATE your_table
SET your_column = NULL
WHERE some_id = 1;
SELECT * FROM your_table WHERE your_column IS NULL;
+---------+-------------+
| some_id | your_column |
+--...
Why does this assert throw a format exception when comparing structures?
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100
I've got it. And yes, it's a bug.
The problem is that there are two levels of string.Format g...
Forms authentication timeout vs sessionState timeout
...IcarusIcarus
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27
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Java - removing first character of a string
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answered Dec 21 '10 at 20:39
moinudinmoinudin
111k4141 gold badges182182 silver badges212212 bronze badges
...
What's the best way of structuring data on firebase?
... No biggie if none of those things number in thousands. But a big deal for 10k users with upwards of 5k messages each.
So now the optimal strategy for a hierarchical, real-time structure becomes more obvious:
/user_meta/uid/email
/messages/uid/...
/widgets/uid/...
An additional tool which is ext...
PHP function to build query string from array
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How can I tell PyCharm what type a parameter is expected to be?
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Choosing a Java Web Framework now? [closed]
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answered Jan 18 '10 at 7:36
Pascal ThiventPascal Thivent
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what is the difference between ?:, ?! and ?= in regex?
...nd in JS
– anubhava
May 16 '18 at 7:10
– anubhava I don't know any alternative to /(?<=^a)b/ using the pure regul...