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Transparent ARGB hex value
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The format is #RRGGBBAA Hex8 (or #RGBA in Hex4) and NOT #AARRGGBB (or #ARGB) I have tested in Chrome 62,63,64 Refer to CanIUse.com , https://css-tricks.com/8-digit-hex-codes/ , Chrome Feature Status
– SG...
Check if pull needed in Git
... the one configured for the current branch. This would typically be of the form remotename/branchname. If no parameter is given, the value defaults to @{u}.
The script assumes that you've done a git fetch or git remote update first, to bring the tracking branches up to date. I didn't build this int...
When to use Common Table Expression (CTE)
...set multiple times you can do so by defining a CTE. Therefore, it can be a form of code re-use.
An example of self referencing is recursion: Recursive Queries Using CTE
For exciting Microsoft definitions
Taken from Books Online:
A CTE can be used to:
Create a recursive query. For more informati...
How to get active user's UserDetails
...Security,
need to load your custom User Object from the Database by some information (like the login or id) stored in the principal or
want to learn how a HandlerMethodArgumentResolver or WebArgumentResolver can solve this in an elegant way, or just want to an learn the background behind @Authentica...
What does the M stand for in C# Decimal literal notation?
...biguity there - as long as it fits the type, it will not lose/garble any information. The same is not true of decimal numbers. Casting the double value 0.42 to decimal can give you a different value than 0.42M (and the same for using a double literal in place of a float literal - float val = 423.3 a...
Difference between two dates in Python
...ifferent dates and I want to know the difference in days between them. The format of the date is YYYY-MM-DD.
5 Answers
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Android SharedPreference security
...xtensive discussion about this in Application Security for the Android Platform, just published in December 2011 (disclaimer: I'm the author of this book).
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How to use the pass statement?
...ss ParsingError(Exception):
"""Error encountered while parsing an ill-formed datafile."""
pass
In some cases, pass is used as a placeholder to say “This method/class/if-block/... has not been implemented yet, but this will be the place to do it”, although I personally prefer the Ellips...
How does the SQL injection from the “Bobby Tables” XKCD comic work?
...tudent, where the $xxx variable contents was taken directly out of an HTML form, without checking format nor escaping special characters.
So if $firstName contains Robert'); DROP TABLE students; -- the database program will execute the following request directly on the DB:
INSERT INTO 'students' ...
How to use PHP OPCache?
...guration OpCache uses. This includes all ini settings as well as version information and blacklisted files.
var_dump(opcache_get_configuration());
opcache_get_status():
This will return an array with information about the current status of the cache. This information will include things like: th...