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Simplest/Cleanest way to implement singleton in JavaScript?
...antee that there will be only one object of given class. Singleton has few more features: 1) it should be initialized at first use (which not only means delayed initialization, but also guarantee that object is really ready to be used) 2) it should be thread-safe. Module pattern can be replacement f...
NUnit vs. MbUnit vs. MSTest vs. xUnit.net [closed]
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When to throw an exception?
...r function which examines a List<> and returns true if its length is more than 50, and false if the length is less. This function asks the question, "Does this list have more than 50 items?" But this question makes an assumption - it assumes that the object it is given is a list. If I hand it ...
Clear file cache to repeat performance testing
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How to break nested loops in JavaScript? [duplicate]
...d loops labels could be useful to break out of an outer loop. While it may more elegant and modular to avoid nested loops by moving inner loops to separate functions, it will run marginally slower because of the extra function calls.
– Tim Down
Oct 14 '09 at 10...
Using CSS td width absolute, position
...g the table width. This is the problem. You shouldn't fix this with adding more HTML structures.
– David
Nov 21 '14 at 12:48
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Should a retrieval method return 'null' or throw an exception when it can't produce the return value
... present and both are valid for the application logic then return a null.
More important: What do you do other places in the code? Consistency is important.
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How to delete a stash created with git stash create?
...stash , you want git stash drop or git stash drop stash@{n}. See below for more details.
You don't need to delete a stash created with git stash create. From the docs:
Create a stash entry (which is a regular commit object) and return its object name, without storing it anywhere in the ref na...
Should I index a bit field in SQL Server?
...sage.
When you ask for a set of rows, SQL uses the index to find the rows more quickly than table scanning (looking at every row).
SQL has clustered and non-clustered indexes. My understanding of clustered indexes is that they group similar index values into the same page. This way when you ask ...
What is the difference between and ?
...s an element of last resort, for when no other element is suitable. Use of more appropriate elements instead of the <div> element leads to better accessibility for readers and easier maintainability for authors.
(https://www.w3.org/TR/html/grouping-content.html#the-div-element)
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