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How to replace an item in an array with Javascript?
Each item of this array is some number.
24 Answers
24
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How to check what user php is running as?
...
If available you can probe the current user account with posix_geteuid and then get the user name with posix_getpwuid.
$username = posix_getpwuid(posix_geteuid())['name'];
If you are running in safe mode however (which is often the case when exec is disabled), then it's unl...
Make the first letter uppercase inside a django template
... as myname . How do I display this inside a Django template as Myname , with the first letter being in uppercase.
6 Answe...
Setting background-image using jQuery CSS property
I have an image URL in a imageUrl variable and I am trying to set it as CSS style, using jQuery:
11 Answers
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How can I remove duplicate rows?
...case you have a GUID instead of an integer, you can replace
MIN(RowId)
with
CONVERT(uniqueidentifier, MIN(CONVERT(char(36), MyGuidColumn)))
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Spring DAO vs Spring ORM vs Spring JDBC
...g through data access technologies supported by Spring, and I noticed that it mentions multiple options and I am not sure about the difference among them:
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What is the difference between MySQL, MySQLi and PDO? [closed]
...and use manual escaping.
MySQLi is a replacement for the mysql functions, with object-oriented and procedural versions. It has support for prepared statements.
PDO (PHP Data Objects) is a general database abstraction layer with support for MySQL among many other databases. It provides prepared state...
How to run Rake tasks from within Rake tasks?
... # ...
end
If you'd rather stick to rake's idioms, here are your possibilities, compiled from past answers:
This always executes the task, but it doesn't execute its dependencies:
Rake::Task["build"].execute
This one executes the dependencies, but it only executes the task if
it has not alrea...
detach all packages while working in R
...ssionInfo()$otherPkgs),sep=""),detach,character.only=TRUE,unload=TRUE)
(edit: 6-28-19)
In the latest version of R 3.6.0 please use instead.
invisible(lapply(paste0('package:', names(sessionInfo()$otherPkgs)), detach, character.only=TRUE, unload=TRUE))
Note the use of invisible(*) is not necessary ...
Using .NET, how can you find the mime type of a file based on the file signature not the extension
...tion of server-supplied MIME type headers, file extension, and/or the data itself. Usually, only the first 256 bytes of data are significant.
So, read the first (up to) 256 bytes from the file and pass it to FindMimeFromData.
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