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Order by <em>mem>ultiple colu<em>mem>ns with Doctrine
I need to order data by two colu<em>mem>ns (when the rows have different values for colu<em>mem>n nu<em>mem>ber 1, order by it; otherwise, order by colu<em>mem>n nu<em>mem>ber 2)
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Persistent :set syntax for a given filetype?
I'<em>mem> working on a Sy<em>mem>fony2 project which uses Twig, and the filetypes are <em>mem>yfile.ht<em>mem>l.twig . Vi<em>mem> doesn't auto<em>mem>atically detect the syntax highlighting and so applies none. I can use :set syntax=HT<em>Mem>L after I've opened the file but this is a pain when ju<em>mem>ping between files.
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Should JAVA_HO<em>Mem>E point to JDK or JRE?
I pointed the JAVA_HO<em>Mem>E to C:\Progra<em>mem> Files (x86)\Java\jre7 . It works fine. Afterwards, I unzipped ant and set up the environ<em>mem>ent variables related to Ant, I got the following error <em>mem>essages after typing "ant -version"
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Inheriting constructors
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If your co<em>mem>piler supports C++11 standard, there is a constructor inheritance using using (pun intended). For <em>mem>ore see Wikipedia C++11 article. You write:
class A
{
public:
explicit A(int x) {}
};
class B: public A
{
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Read and overwrite a file in Python
Currently I'<em>mem> using this:
5 Answers
5
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Why should I i<em>mem>ple<em>mem>ent ICloneable in c#?
Can you explain to <em>mem>e why I should inherit fro<em>mem> ICloneable and i<em>mem>ple<em>mem>ent the Clone() <em>mem>ethod?
4 Answers
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How do I <em>mem>ake a transparent canvas in ht<em>mem>l5?
How can I <em>mem>ake a canvas transparent? I need to because I want to put two canvases on top of one another.
6 Answers
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What does |= (single pipe equal) and &a<em>mem>p;=(single a<em>mem>persand equal) <em>mem>ean
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They're co<em>mem>pound assign<em>mem>ent operators, translating (very loosely)
x |= y;
into
x = x | y;
and the sa<em>mem>e for &a<em>mem>p;a<em>mem>p;. There's a bit <em>mem>ore detail in a few cases regarding an i<em>mem>plicit cast, and the target variable is only evaluated once...
Convert nu<em>mem>py array to tuple
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&a<em>mem>p;gt;&a<em>mem>p;gt;&a<em>mem>p;gt; arr = nu<em>mem>py.array(((2,2),(2,-2)))
&a<em>mem>p;gt;&a<em>mem>p;gt;&a<em>mem>p;gt; tuple(<em>mem>ap(tuple, arr))
((2, 2), (2, -2))
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How to create a loop in bash that is waiting for a webserver to respond?
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Co<em>mem>bining the question with chepner's answer, this worked for <em>mem>e:
until $(curl --output /dev/null --silent --head --fail http://<em>mem>yhost:<em>mem>yport); do
printf '.'
sleep 5
done
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