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PHP - concatenate or directly insert variables in string
...y nearly equivalent, if not better.
As soon as you need to wrap a function call around the var, for example htmlspecialchars($var), you have to switch to concatenation.
AFAIK, you cannot embed constants.
In some specific cases, "double quotes with vars embedding" can be useful, but generally speak...
How to test valid UUID/GUID?
...-9a-f]{3}-[089ab][0-9a-f]{3}-[0-9a-f]{12}$/i
...ensures you have a canonically formatted UUID that is Version 1 through 5 and is the appropriate Variant as per RFC4122.
NOTE: Braces { and } are not canonical. They are an artifact of some systems and usages.
Easy to modify the above regex to meet...
Overriding fields or properties in subclasses
...e, I really think the Father should apply formula "Y", and the Mother, logically, "X".
– Peter - Reinstate Monica
Apr 17 '14 at 12:05
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Best way to create an empty object in JSON with PHP?
...ng this, my code started with jsonResponse = array() and then it was dynamically filled by a loop. If the loop did not have a single iteration the "empty" object (or dictionary, as you call it) was encoded as [] while all other cases were encoded as "{ attr_1: value1,...}. All the other answers arou...
ASP.NET Identity - HttpContext has no extension method for GetOwinContext
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ARGH!
I found it... I didn't have an extra package, called Microsoft.Owin.Host.SystemWeb
Once i searched and installed this, it worked.
Now - i am not sure if i just missed everything, though found NO reference to such a library or package when going through various tutorial...
Easy way to list node modules I have npm linked?
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Doesn't work with locally linked namespaced modules (@namespace/moduleName). A brutal solution might be: ( ls -l node_modules ; ls -l node_modules/@* ) | grep ^l
– Andrea Carraro
Apr 27 '16 at 11:04
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Maven: how to override the dependency added by a library
...cify the version in your current pom. The version specified here will override other.
Forcing a version
A version will always be honoured if it is declared in the current POM with a particular version - however, it should be noted that this will also affect other poms downstream if it is itsel...
Can I pass parameters by reference in Java?
...y of the value.
For all other you get a copy of the reference and this is called also passing by value.
It is all in this picture:
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How to echo shell commands as they are executed
In a shell script, how do I echo all shell commands called and expand any variable names?
13 Answers
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Message 'src refspec master does not match any' when pushing commits in Git
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Another possible reason: you don't actually have a branch called master
– CarlosAS
Feb 16 '18 at 19:14
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