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Print newline in PHP in single quotes
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Is there any alternative to this? I need to use it in a preg_replace that I cannot use double quotes in.
– Alex Hadley
Apr 18 '12 at 11:35
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How to get the type of a variable in MATLAB?
...e]
SuperclassList: [0×1 meta.class]
>> ?containers.Map <= ?handle
ans =
logical
1
We can see that class(someObj) is equivalent to the Name field of the result of metaclass(someObj).
share
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Check if value is in select list with JQuery
...e new options by JavaScript using this logic: $('#select-box').append($('<option value="' + value + '">' + text + '</option>')); (or of course in more talkative style), the first example will work (you don't need to iterate).
– Lukas Jelinek
Dec 1 ...
Sql Server equivalent of a COUNTIF aggregate function
...ly do what Josh recommended, but brainstormed and tested a slightly hokey alternative that I felt like sharing.
You can take advantage of the fact that COUNT(ColumnName) doesn't count NULLs, and use something like this:
SELECT COUNT(NULLIF(0, myColumn))
FROM AD_CurrentView
NULLIF - returns NULL ...
What does the PHP error message “Notice: Use of undefined constant” mean?
...variable name: $bad-variable-name
A similar but more subtle issue can result if you try to use a disallowed character in a variable name - a hyphen (-) instead of an underscore _ would be a common case.
For example, this is OK, since underscores are allowed in variable names:
if (123 === $my_var...
Ioc/DI - Why do I have to reference all layers/assemblies in application's entry point?
...oesn't have to be the case. For instance, in .NET, I often use IEnumerable<T> or IObserver<T> for dependencies. These are defined in the BCL, so automatically already available to all consumers and implementers.
– Mark Seemann
Apr 29 '15 at 8:25
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How do I send an HTML email?
... have successfully sent email in my web application using JMS, but the result only displays in plain text. I want the content to be able to display html. How do I do it? Here is roughly what I have:
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What is the difference between gmake and make?
...gmake' refers specifically to GNU make. 'make' refers to the system's default make implementation; on most Linux distros this is GNU make, but on other unixes, it could refer to some other implementation of make, such as BSD make, or the make implementations of various commercial unixes.
The langua...
Test if a class has an attribute?
...his:
var type = typeof(SomeType);
var attribute = type.GetCustomAttribute<SomeAttribute>();
This way you do not need another typeof(...), which can make the code cleaner.
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improve th...
Socket.IO Authentication
...onID});
Client side:
//store the key in a cookie
SetCookie('rediskey', <%= rediskey %>); //http://msdn.microsoft.com/en-us/library/ms533693(v=vs.85).aspx
//then when socket is connected, fetch the rediskey from the document.cookie and send it back to server
var socket = new io.Socket();
s...