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MySQL - How to select data by string length
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Actually, CHAR_LENGTH() should be a better choice. For multi-byte charsets LENGTH() will give you the number of bytes the string occupies, while CHAR_LENGTH() will return the number of characters.
– András ...
Detect the Enter key in a text input field
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kudos for the plain javascript version, not sure why all the others are in jquery
– Captain Fantastic
Jun 22 '19 at 16:23
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How do I comment in CoffeeScript? “/* this */” doesn't work
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This is usually how you will want to comment; the triple hash is most often used when you want the comment to fall through to the javascript (copyright messages, usually).
– Aaron Dufour
Oct 16 '11...
What does it mean: The serializable class does not declare a static final serialVersionUID field? [d
...ization runtime associates with each serializable class a version number, called a serialVersionUID, which is used during deserialization to verify that the sender and receiver of a serialized object have loaded classes for that object that are compatible with respect to serialization. If the receiv...
Difference Between Invoke and DynamicInvoke
...ou just know that it is Delegate, it has to resolve the parameters etc manually - this might involve unboxing, etc - a lot of reflection is going on. For example:
Delegate slowTwice = twice; // this is still the same delegate instance
object[] args = { i };
object result = slowTwice.DynamicInvoke(a...
For each row return the column name of the largest value
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If I have two equal columns I usually just pick the first. These are border cases which do not upset my statistical analysis.
– dmvianna
Jul 18 '13 at 23:59
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How to clear the cache of nginx?
...f you did, however, then according to the author of nginx, simply removing all files from the cache directory is enough.
Simplest way: find /path/to/your/cache -type f -delete
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How to use greater than operator with date?
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In your statement, you are comparing a string called start_date with the time.
If start_date is a column, it should either be
SELECT * FROM `la_schedule` WHERE start_date >'2012-11-18';
(no apostrophe)
or
SELECT * FROM `la_schedule` WHERE `start_date` >...
unable to locate nuget.exe when building webservice on appharbor
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Oh man you are great, after wasting 2 hours finally your solution worked for me love you :)
– UMAR-MOBITSOLUTIONS
Jan 2 '14 at 13:12
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Adding a column to a data.frame
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@RomanLuštrik, This solution can be rewritten really nicely in a single line. Using your your.df data, you can simply do your.df$group = cumsum(your.df[, 1]==1) to get your new group column.
– A5C1D2H2I1M1N2O1R2T1
Apr 16 '12 at 17:47
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