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Can we omit parentheses when creating an object using the “new” operator?
... Flanagan1:
As a special case, for the new operator only, JavaScript simplifies the grammar by allowing the parenthesis to be omitted if there are no arguments in the function call. Here are some examples using the new operator:
o = new Object; // Optional parenthesis omitted here
d = new Date(); ...
Can I convert long to int?
...is the compiler default). It'll throw OverflowException in checked context if the value doesn't fit in an int:
int myIntValue = unchecked((int)myLongValue);
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git: difference between “branchname” and “refs/heads/branchname”
...g you have all three types of refs in your repository.
refs/heads/0.58 specifies a branch named 0.58. If you don't specify what namespace the ref is in, git will look in the default ones. This makes using only 0.58 conceivably ambiguous - you could have both a branch and a tag named 0.58.
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How long should SQL email fields be? [duplicate]
...really long but do you really need worry about these long Email addresses? If someone can't login with a 100-char Email, do you really care? We actually prefer they can't.
Some statistical data may shed some light on the issue. We analyzed a database with over 10 million Email addresses. These addr...
How can I order a List?
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If it's not the solution that you'd choose then why propose it as an answer? Propose what you'd do as the answer; if that means changing the type from IList to List so you can call .Sort on it, then why not do that.
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SyntaxError: Non-ASCII character '\xa3' in file when function returns '£'
... also define encodings on a string by string basis in your code. However, if you are trying to put the pound sign literal in to your code, you'll need an encoding that supports it for the entire file.
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When to use cla(), clf() or close() for clearing a plot in matplotlib?
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They all do different things, since matplotlib uses a hierarchical order in which a figure window contains a figure which may consist of many axes. Additionally, there are functions from the pyplot interface and there are methods on the F...
Mercurial — revert back to old version and continue from there
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hg update [-r REV]
If later you commit, you will effectively create a new branch. Then you might continue working only on this branch or eventually merge the existing one into it.
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Returning from a finally block in Java
...you provided are reason enough to not use flow-control from finally.
Even if there's a contrived example where it's "better," consider the developer who has to maintain your code later and who might not be aware of the subtleties. That poor developer might even be you....
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How to sum all column values in multi-dimensional array?
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If there are n arrays?
– Muhammad Usman
Apr 16 '14 at 13:51
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