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Is the “struct hack” technically undefined behavior?
... such restrictions for an object allocated by malloc, when you have merely converted the returned void * to a pointer to [a struct containing] an array. It's still valid to access any part of the allocated object using a pointer to char (or preferably unsigned char).
– R.. GitH...
How to enable external request in IIS Express?
...ndingInformation="*:8080:*" />
Setup the bit of Windows called 'http.sys'. As an administrator, run the command:
netsh http add urlacl url=http://*:8080/ user=everyone
Where everyone is a windows group. Use double quotes for groups with spaces like "Tout le monde".
Allow IIS Express ...
Errors: “INSERT EXEC statement cannot be nested.” and “Cannot use the ROLLBACK statement within an I
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I found a work around is to convert one of the prods into a table valued function. I realize that is not always possible, and introduces its own limitations. However, I have been able to always find at least one of the procedures a good candidate for th...
How to upload files to server using JSP/Servlet?
...servlet application
How to upload an image and save it in database?
How to convert Part to Blob, so I can store it in MySQL?
Serving uploaded file
Head to the following answers for detail on properly serving the saved file from disk or database back to the client:
Load images from outside of we...
Search for one value in any column of any table inside a database
... SELECT @TableKeys = @TableKeys + '''' + QUOTENAME([name]) + ': '' + CONVERT(nvarchar(250),' + [name] + ') + ''' + ',' + ''' + '
FROM syscolumns
WHERE [id] IN (
SELECT [id]
FROM sysobjects
WHERE [name] = @TableShortName)
AND...
Getting all names in an enum as a String[]
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EnumUtils.getEnumList(State.class)
Although it returns a List, you can convert the list easily with list.toArray()
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How to get overall CPU usage (e.g. 57%) on Linux [closed]
I am wondering how you can get the system CPU usage and present it in percent using bash, for example.
5 Answers
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Convert NaN to 0 in javascript
Is there a way to convert NaN values to 0 without an if statement:
11 Answers
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Convert RGBA PNG to RGB with PIL
I'm using PIL to convert a transparent PNG image uploaded with Django to a JPG file. The output looks broken.
7 Answers
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How to create a CPU spike with a bash command
I want to create a near 100% load on a Linux machine. It's quad core system and I want all cores going full speed. Ideally, the CPU load would last a designated amount of time and then stop. I'm hoping there's some trick in bash. I'm thinking some sort of infinite loop.
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