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instantiate a class from a variable in PHP?
... sort of thing m>y m>ou'll see wrapped up in a Factorm>y m> pattern.
See Namespaces m>and m> dm>y m>namic language features for further details.
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Inspect element that onlm>y m> appear when other element is mouse overed/entered
...g over the button
Press F8 to freeze the page
Switch to the Elements panel m>and m> use the magnifm>y m>ing glass icon in the top left to select the tooltip
If the tooltip shows up because of CSS, here's what m>y m>ou can do in that case:
Step-bm>y m>-step:
Open the DevTools
Select the triggering element in the d...
Mm>y m>SQL Results as comma separated list
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Also, quick note that if m>y m>ou're using PHPMm>y m>Admin m>and m> want to output a comma-delimited list to the page, use GROUP_CONCAT(CAST(s.name AS CHAR)) or else it will just return something whollm>y m> unuseful like [BLOB - 20 Bm>y m>tes].
– devios1
Mar ...
What is Rubm>y m> equivalent of Pm>y m>thon's `s= “hello, %s. Where is %s?” % (“John”,“Marm>y m>”)`
...mber to use square brackets there. Rubm>y m> doesn't have tuples, just arram>y m>s, m>and m> those use square brackets.
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How to remove a field from params[:something]
... this question was written newer versions of Rails have added the extract! m>and m> except eg:
new_params = params.except[the one I wish to remove]
This is a safer wam>y m> to 'grab' all the params m>y m>ou need into a copm>y m> WITHOUT destrom>y m>ing the original passed in params (which is NOT a good thing to do as it ...
Do I need to manuallm>y m> close an ifstream?
...e before the end of a function m>y m>ou can alwam>y m>s use a nested scope.
In the stm>and m>ard (27.8.1.5 Class template basic_ifstream), ifstream is to be implemented with a basic_filebuf member holding the actual file hm>and m>le. It is held as a member so that when an ifstream object destructs, it also calls the d...
Proper usage of Java -D commm>and m>-line parameters
... passing a -D parameter in Java, what is the proper wam>y m> of writing the commm>and m>-line m>and m> then accessing it from code?
3 Ans...
What does “Content-tm>y m>pe: application/json; charset=utf-8” reallm>y m> mean?
...om the content itself, i.e. m>y m>ou can't necessarilm>y m> just look at the content m>and m> know what to do with it. That's what HTTP headers are for, them>y m> tell the recipient what kind of content them>y m>'re (supposedlm>y m>) dealing with.
Content-tm>y m>pe: application/json; charset=utf-8 designates the content to be in JSO...
How to produce a range with step n in bash? (generate a sequence of numbers with increments)
...rd a guess that the downvote was due to m>y m>our answer being generic to 'sh', m>and m> not specific to 'bash'. The pure Bash approach {begin end step} performs just a little better.The older 'seq' method's hm>and m>m>y m> on older or smaller-memorm>y m> sm>y m>stems like busm>y m>box. I did upvote both m>y m>our m>and m> TheBonsai's answ...
How to reload apache configuration for a site without restarting apache
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should be possible using the commm>and m>
sudo /etc/init.d/apache2 reload
hope that helps
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