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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.
$username = posix_getpwuid(posix_geteuid())['name'];
If you are running in safe mode however (which is often the case when exec is disabled), then it's unl...
Spring DAO vs Spring ORM vs Spring JDBC
...g through data access technologies supported by Spring, and I noticed that it mentions multiple options and I am not sure about the difference among them:
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Make the first letter uppercase inside a django template
... as myname . How do I display this inside a Django template as Myname , with the first letter being in uppercase.
6 Answe...
How can I remove duplicate rows?
...case you have a GUID instead of an integer, you can replace
MIN(RowId)
with
CONVERT(uniqueidentifier, MIN(CONVERT(char(36), MyGuidColumn)))
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Using .NET, how can you find the mime type of a file based on the file signature not the extension
...tion of server-supplied MIME type headers, file extension, and/or the data itself. Usually, only the first 256 bytes of data are significant.
So, read the first (up to) 256 bytes from the file and pass it to FindMimeFromData.
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Setting background-image using jQuery CSS property
I have an image URL in a imageUrl variable and I am trying to set it as CSS style, using jQuery:
11 Answers
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detach all packages while working in R
...ssionInfo()$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 ...
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...
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...