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How to encrypt/decrypt data in php?
...P, I'm trying to make a simple encrypt/decrypt of data in PHP. I made some online research and some of them were quite confusing(at least for me).
...
Foreign Key to non-primary key
...y key, it MUST be a column that has a unique constraint on it.
From Books Online:
A FOREIGN KEY constraint does not have to be linked only to a PRIMARY
KEY constraint in another table; it can also be defined to reference
the columns of a UNIQUE constraint in another table.
So in your case...
Local and global temporary tables in SQL Server
...
Quoting from Books Online:
Local temporary tables are visible only in the current session; global temporary tables are visible to all sessions.
Temporary tables are automatically dropped when they go out of scope, unless explicitly dropped us...
How do you determine the size of a file in C?
...
**Don't do this (why?):
Quoting the C99 standard doc that i found online: "Setting the file position indicator to end-of-file, as with fseek(file, 0, SEEK_END), has undefined behavior for a binary stream (because of possible trailing null characters) or for any stream with state-dependent ...
Can I unshelve to a different branch in tfs 2008?
... to the new branch. Tip: Make sure you copy to the right place!!!
Bring VS online
It should find all the changes and add the new files
If it asks you to bind the sourcecontrol be sure to verify the path is correct for the new branch.
Test - and then checkin the new files
Important: I've found that...
What's the right OAuth 2.0 flow for a mobile app
...ion: Mobile App = Native App
As stated in other comments and a few sources online, implicit seems like a natural fit for mobile apps, however the best solution is not always clear cut (and in fact implicit is not recommended for reasons discussed below).
Native App OAuth2 Best Practises
Whatever app...
base64 encoded images in email signatures
...your question is how to properly insert such an image tag.
You can use an online tool or a few lines of code to generate the base 64 string.
The syntax to source the image from inline data is:
<img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUA
AAAFCAYAAACNbyblAAAAHElEQVQI12P4//8/w38G...
Named colors in matplotlib
... If you want a quick look at the visual list of named colors online: matplotlib.org/examples/color/named_colors.html
– BallpointBen
Mar 21 '18 at 22:37
add a com...
Comparison of Android networking libraries: OkHTTP, Retrofit, and Volley [closed]
...
@user1923613 github.com/octo-online/robospice if you are using volley for network calls then no need to use robospice!, volley does the many of the things that Robospice do for network calls,Robospice supports REST out of the box (using Spring Android or...
SQL NVARCHAR and VARCHAR Limits
... data (1 billion double byte characters).
From nchar and nvarchar in Books online the grammar is
nvarchar [ ( n | max ) ]
The | character means these are alternatives. i.e. you specify either n or the literal max.
If you choose to specify a specific n then this must be between 1 and 4,000 but using...