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PDO support for multiple queries (PDO_MYSQL, PDO_MYSQLND)
I do know that PDO does not support multiple queries getting executed in one statement. I've been Googleing and found few posts talking about PDO_MYSQL and PDO_MYSQLND.
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What's a correct and good way to implement __hash__()?
...on, this is about as fast as any hash can be. Sure, if the attributes are known to be integers, and there aren't too many of them, I suppose you could potentially run slightly faster with some home-rolled hash, but it likely wouldn't be as well distributed. hash((self.attr_a, self.attr_b, self.attr_...
How do I split a string so I can access item x?
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As of SQL Server 2016, there is now a built-in function STRING_SPLIT that will split a string and return a one-column table result which you can use in a SELECT statement or elsewhere.
– qJake
Apr 3 '17 at 20:24
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Factors in R: more than an annoyance?
...ns that are factors using gdata
require(gdata)
drop.levels(dataframe)
I know that it is straightforward to recode levels of a factor and to rejig the labels and there are also wonderful ways to reorder the levels. My brain just cannot remember them and I have to relearn it every time I use it. Rec...
How do I set the offset for ScrollSpy in Bootstrap?
... and the margin-top for the container to the opposite of the padding-top. Now your container's block and the anchor begin at the exact top of the page, but the content inside doesn't begin until below the menu bar.
If you're using regular anchors, you can accomplish the same thing by using negat...
Changing my CALayer's anchorPoint moves the view
... still i am in confusion how can I use it. I am facing same problem right now for rotating my view with uigesturerotation. I am in strange that where should I call this method. If I am calling in gesture recognizer handler. It makes view disappear.
– JAck
Aug ...
How do I address unchecked cast warnings?
...eally should have the generic parameters <String, String>. You must know beforehand what the parameters should be (or you'll find out when you get a ClassCastException). This is why the code generates a warning, because the compiler can't possibly know whether is safe.
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Syntax error on print with Python 3 [duplicate]
..., print became a function. This means that you need to include parenthesis now like mentioned below:
print("Hello World")
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Bower install using only https?
... which lives in my ~/.bashrc file. Call it just as you would grunt, except now it's called nngrunt. Enjoy!
function nngrunt
{
# Add a section to the global gitconfig file ~/.gitconfig that tells git to
# go over http instead of the git protocol, otherwise bower has fits...
# See http://...
How do I view an older version of an SVN file?
I have an SVN file which is now missing some logic and so I need to go back about 40 revisions to the time when it had the logic I need. Other than trying to view a diff of the file in the command line ( very hard to read ), is there any way I could get a copy of that file to review so I can study i...