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MySQL - length() vs char_length()
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varchar(10) will store 10 characters, which may be more than 10 bytes.
In indexes, it will allocate the maximium length of the field - so if you are using UTF8-mb4, it will allocate 40 bytes for the 10 character field.
sh...
How to disable typing special characters when pressing option key in Mac OS X? [closed]
...ion-b a red colored key - meaning it's a dead key. Double clicking it will allow you to change it from a dead key to an output key. When prompted for the output you can put in the same thing (by pressing Option-b).
Thus it will output the same character but will not be considered a dead key, so In...
wget/curl large file from google drive
...with something like
wget https://googledrive.com/host/LARGEPUBLICFOLDERID/index4phlat.tar.gz
Alternatively, you can use this script: https://github.com/circulosmeos/gdown.pl
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How can I set the value of a DropDownList using jQuery?
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If you working with index you can set the selected index directly with .attr():
$("#mydropdownlist").attr('selectedIndex', 0);
This will set it to the first value in the droplist.
Edit:
The way I did it above used to work. But it seems like ...
Grep for literal strings
...le, as part of a line in a seperate log file. The search text can contain all sorts of regex special characters, e.g., []().*^$-\ .
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Xcode is not currently available from the Software Update server
... OS X Mavericks manually from here:
https://developer.apple.com/downloads/index.action?name=for%20Xcode
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Fast Bitmap Blur For Android SDK
...s very pretty and quite fast too.
Update for people encountering the ArrayIndexOutOfBoundsException problem : @anthonycr in the comments provides this information :
I found that by replacing Math.abs with StrictMath.abs or some other
abs implementation, the crash does not occur.
/**
* Sta...
FIND_IN_SET() vs IN()
...CompanyIDs | '}')::INT[])
WHERE orderID = 1
and this would even use an index on companyID.
Unfortunately, this does not work in MySQL since the latter does not support arrays.
You may find this article interesting (see #2):
10 things in MySQL (that won’t work as expected)
Update:
If the...
How to COUNT rows within EntityFramework without loading contents?
...ce SQL Server really can't do anything but do a full table scan (clustered index scan).
Sometimes, it's good enough to know an approximate number of rows from the database, and in such a case, a statement like this might suffice:
SELECT
SUM(used_page_count) * 8 AS SizeKB,
SUM(row_count) ...
How to get a index value from foreach loop in jstl
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use varStatus to get the index c:forEach varStatus properties
<c:forEach var="categoryName" items="${categoriesList}" varStatus="loop">
<li><a onclick="getCategoryIndex(${loop.index})" href="#">${categoryName}</a></l...