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Singleton: How should it be used
...rface widgets
It is supposed to be a cache
In strings
In Sessions
I can go all day long
How to create the best singleton:
The smaller, the better. I am a minimalist
Make sure it is thread safe
Make sure it is never null
Make sure it is created only once
Lazy or system initialization? Up to your re...
On EC2: sudo node command not found, but node without sudo is ok
I have just installed nodejs on a new EC2 micro instance.
12 Answers
12
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What are the git concepts of HEAD, master, origin?
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I highly recommend the book "Pro Git" by Scott Chacon. Take time and really read it, while exploring an actual git repo as you do.
HEAD: the current commit your repo is on. Most of the time HEAD points to the latest commit in your current branch, but that doesn't have to be the case. HEAD rea...
@RunWith(MockitoJUnitRunner.class) vs MockitoAnnotations.initMocks(this)
...automatic initMocks().
The automatic validation of framework usage is actually worth having. It gives you better reporting if you make one of these mistakes.
You call the static when method, but don't complete the stubbing with a matching thenReturn, thenThrow or then. (Error 1 in the code bel...
How to stop and restart memcached server?
... well, it realy depends on your linux distribution and how you did install memcache. If you hav installed package of your distribution there should be memcached start/stop script (maybe it is in different directory like /etc/rc.d) If you installed memcached manualy you probably need also create ...
SQL Server, convert a named instance to default instance?
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Actually this is the response to this question but if you need change your instance name, please see Zasz answer. Please do not downvote because is not what you are looking for, check the question first.
– L...
Better naming in Tuple classes than “Item1”, “Item2”
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It should be noted that C# 7's ValueTuple, while usually great, is a mutable value type (struct), while Tuple is an immutable reference type (class). As far as I know, there's no way to get a reference type Tuple with friendly item names.
– dx_over_dt
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Convert PHP closing tag into comment
...w this regex, I'd say: Hmmm, what's going on? But that is downright and totally subjective.
– ppeterka
Mar 5 '13 at 9:20
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How to handle AccessViolationException
...ing a COM object (MODI) from within my .net application. The method I am calling throws a System.AccessViolationException, which is intercepted by Visual Studio. The odd thing is that I have wrapped my call in a try catch, which has handlers for AccessViolationException, COMException and everythin...
How to list files in an android directory?
...gt; your app --> permissions --> enable storage. Should do this manually if you are facing this error. Make sure that you have <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" /> in your manifest. For the people who are facing NullPointerException - you are tryin...