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“Uncaught TypeError: Illegal invocation” in Chrome
...l. Correct usage is myObj.myAlert.call(window, 'this is an alert'). Please read answers properly and try to understand it.
– Nemoy
Mar 11 '14 at 9:24
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What's wrong with foreign keys?
...inserting children? Right now when I submit "add comment" -- if you have already deleted your answer, this comment is now an orphan. FKs would've prevented it. Also, I could just change the parentID to be anything I want. Someone needs to check. :)
– Matt Rogish
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Which is preferred: Nullable.HasValue or Nullable != null?
...all to HasValue, so there is no real difference. Just do whichever is more readable/makes more sense to you and your colleagues.
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How to use a WSDL file to create a WCF service (not make a call)
... of explanations from that comment that gives the reasoning, but I haven't read it.
– dan-gph
Apr 6 '10 at 8:38
Links ...
In Ruby on Rails, what's the difference between DateTime, Timestamp, Time and Date?
...y stores the number of seconds since 1970-01-01, it uses 4 bytes.
You can read more about the differences between time formats in MySQL here.
In the end, it comes down to what you need your date/time column to do. Do you need to store dates and times before 1970 or after 2038? Use DATETIME. Do you...
JavaScript string encryption and decryption?
...e it work with just one script reference (much better as the hard job is already done).
– shahar eldad
Oct 23 '18 at 7:38
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Update multiple rows in same query using PostgreSQL
...ifying! The Postgres documentation for this makes for a bit of a confusing read.
– skwidbreth
May 13 '16 at 20:37
that...
Trigger change() event when setting 's value with val() function
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The straight answer is already in a duplicate question: Why does the jquery change event not trigger when I set the value of a select using val()?
As you probably know setting the value of the select doesn't trigger the change() event, if you're loo...
Is it safe to shallow clone with --depth 1, create commits, and pull updates again?
...low clone, these limitations are not true anymore.
The documentation now reads:
--depth <depth>::
Create a 'shallow' clone with a history truncated to the specified number of revisions.
That stems from commits like 0d7d285, f2c681c, and c29a7b8 which support clone, send-pack /receive...
Creating an empty Pandas DataFrame, then filling it?
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The Right Way™ to Create a DataFrame
TLDR; (just read the bold text)
Most answers here will tell you how to create an empty DataFrame and fill it out, but no one will tell you that it is a bad thing to do.
Here is my advice: Wait until you are sure you have all the data yo...