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Is it possible to make the -init method private in Objective-C?
...compiler happy. Otherwise the compiler may complain that there's no return from a method with non-void return.
– Chris Hanson
Feb 16 '09 at 23:27
...
How to properly reuse connection to Mongodb across NodeJs application and modules
...p another instance of the connection or simply use the existing connection from source?
– Farhan Ahmad
Feb 9 '15 at 2:59
20
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How do C++ class members get initialized if I don't do it explicitly?
...try();
Commit();//Writes data to registry.
Retrieve();//Reads data from registry;
private:
CDynamicString m_cKeyName{L"Postal Address"};
CDynamicString m_cAddress;
};
Note the second string class which holds the actual postal address does not have an initializer so its default cons...
What is the use of “assert” in Python?
...ch easier to track down and fix bugs in your programs.
Here’s a summary from a tutorial on Python’s assertions I wrote:
Python’s assert statement is a debugging aid, not a mechanism for handling run-time errors. The goal of using assertions is to let developers find the likely root cause ...
Canary release strategy vs. Blue/Green
... environment is created. Once the new
environment is tested, it takes over from the old version. The old
environment can then be turned off.
A/B Testing - Two versions of an application are running at the same time. A portion of requests go to each. Developers can then compare the versions.
C...
Is Ruby pass by reference or by value?
...ays references to objects. In order to get an object that won't change out from under you, you need to dup or clone the object you're passed, thus giving an object that nobody else has a reference to. (Even this isn't bulletproof, though — both of the standard cloning methods do a shallow copy, so...
Regular expression for letters, numbers and - _
...ink that you need a little more. Note this doesn't match legal file names from a system perspective. That would be system dependent and more liberal in what it accepts. This is intended to match your acceptable patterns.
^([a-zA-Z0-9]+[_-])*[a-zA-Z0-9]+\.[a-zA-Z0-9]+$
Explanation:
^ Match th...
What is the difference between the HashMap and Map objects in Java?
...ce restricts you to only those methods unless you cast the collection back from Map to HashMap (which COMPLETELY defeats the purpose).
Often what you will do is create an object and fill it in using it's specific type (HashMap), in some kind of "create" or "initialize" method, but that method will ...
“Deprecation warning: moment construction falls back to js Date” when trying to convert RFC2822 date
...true;
I suggest to overwrite the input fallback in moment.
moment.createFromInputFallback=function (config){
config._d = new Date(config._i);
}
As (3) will suppress all the warnings, (4) will suppress only the date construction fallback. Using (4), you will get Invalid Date as the internal...
Make Adobe fonts work with CSS3 @font-face in IE9
...piling C programs on Windows, it's very straightforward. Follow this guide from Microsoft: msdn.microsoft.com/en-us/library/bb384838.aspx
– lee_mcmullen
Mar 9 '15 at 13:50
...