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Decimal number regular expression, where digit after decimal is optional
...eed a regular expression that validates a number, but doesn't require a digit after the decimal.
ie.
15 Answers
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Does Swift have access modifiers?
...ive) to the lowest (most restrictive).
1. open and public
Enable an entity to be used outside the defining module (target). You typically use open or public access when specifying the public interface to a framework.
However, open access applies only to classes and class members, and it differs...
What is the source code of the “this” module doing?
If you open a Python interpreter, and type "import this", as you know, it prints:
5 Answers
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Bomb dropping algorithm
...s to a simple sub-problem.
There are 2 parts to the explanation, the algorithm, and the reason the algorithm
provides an optimal solution. The first won't make sense without the second, so I'll
start with the why.
If you think of bombing the rectangle (assume a big rectangle - no edge cases yet...
How do I connect to this localhost from another computer on the same network?
I'm currently working on a project and I would like to test it out on two laptops at home where one laptop connects to the localhost on the other. I am using XAMPP. How do I do this?
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Confused by python file mode “w+”
...
Let's say you're opening the file with a with statement like you should be. Then you'd do something like this to read from your file:
with open('somefile.txt', 'w+') as f:
# Note that f has now been truncated to 0 bytes, so you'll only
# be able to re...
How to create permanent PowerShell Aliases
...
UPDATED - Jan 2017
It's possible to store in a profile.ps1 file any powershell code to be executed each time powershell starts. There are at least 6 different paths where to store the code depending on which user have to execute it. We can cons...
Is there any good dynamic SQL builder library in Java? [closed]
... good SQL builder library for Java like Squiggle (not maintained anymore it seems). Preferably, a project in active development.
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Why is it faster to check if dictionary contains the key, rather than catch the exception in case it
...to be unwound etc.
On the other hand, accessing a value in a dictionary by its key is cheap, because it's a fast, O(1) operation.
BTW: The correct way to do this is to use TryGetValue
obj item;
if(!dict.TryGetValue(name, out item))
return null;
return item;
This accesses the dictionary only ...
Missing XML comment for publicly visible type or member
... Suppress Warnings (textbox), add 1591 (comma separated list)). By default it will change Active Configuration, consider to change configuration to All.
Use #pragma warning disable 1591 to disable the warning just for some bits of code (and #pragma warning restore 1591 afterwards)
Ignore the warning...