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ERROR: Error 1005: Can't create table (errno: 121)
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To check constraints use the following SQL query:
SELECT
constraint_name,
table_name
FROM
information_schema.table_constraints
WHERE
constraint_type = 'FOREIGN KEY'
AND table_schema = DATABASE()
ORDER BY
constraint_name;
Look for more information there, or try to see where ...
OnCreateOptionsMenu() not called in Fragment
...cannot be cast to android.widget.SearchView
– Android_programmer_office
Nov 26 '13 at 20:26
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How can I get a java.io.InputStream from a java.lang.String?
... As of java7: new ByteArrayInputStream(str.getBytes(StandardCharsets.UTF_8))
– slow
Jan 17 '14 at 22:25
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How to make MySQL handle UTF-8 properly
... answer - You should almost always be using the utf8mb4 charset and utf8mb4_unicode_ci collation.
To alter database:
ALTER DATABASE dbname CHARACTER SET utf8mb4 COLLATE utf8mb4_unicode_ci;
See:
Aaron's comment on this answer How to make MySQL handle UTF-8 properly
What's the difference betwee...
How can I append a string to an existing field in MySQL?
I want to update the code on all my record to what they currently are plus _standard any ideas?
2 Answers
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What does 'require: false' in Gemfile mean?
...just set :require => false and then in your code have a require 'library_name_here'
– Rob Di Marco
Jan 5 '14 at 13:38
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Using GPU from a docker container?
...ocker container you just launched.
Install CUDA samples:
$ cd /opt/nvidia_installers
$ ./cuda-samples-linux-6.5.14-18745345.run -noprompt -cudaprefix=/usr/local/cuda-6.5/
Build deviceQuery sample:
$ cd /usr/local/cuda/samples/1_Utilities/deviceQuery
$ make
$ ./deviceQuery
If everything wor...
Modifying location.hash without page scrolling
...i a").removeClass('selected');
s=$(document.location.hash.replace("btn_","")).addClass('selected').attr("href").replace("javascript:","");
eval(s);
}
//Click a button to change the hash
$("#buttons li a").click(function(){
$("#buttons li a").removeClass('selected')...
Using ChildActionOnly in MVC
...ntroller directly, but only from within another controller/action. Likely: _Partial views.
– Langeleppel
Sep 26 '13 at 12:19
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How do you test running time of VBA code?
...st call .StartCounter and .TimeElapsed
Option Explicit
Private Type LARGE_INTEGER
lowpart As Long
highpart As Long
End Type
Private Declare Function QueryPerformanceCounter Lib "kernel32" (lpPerformanceCount As LARGE_INTEGER) As Long
Private Declare Function QueryPerformanceFrequency Lib ...