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C# Regex for Guid
...ersion 2.0. Languages such as Delphi, PHP, and R that
have regex features based on PCRE also support conditionals. (source http://www.regular-expressions.info/conditional.html)
The regex that follows Will match
{123}
(123)
123
And will not match
{123)
(123}
{123
(123
123}
123)
Regex:
^({)?(...
How do I create an empty array/matrix in NumPy?
...p.array(x)
The result will be:
In [34]: x
Out[34]: array([], dtype=float64)
Therefore you can directly initialize an np array as follows:
In [36]: x= np.array([], dtype=np.float64)
I hope this helps.
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ASP MVC in IIS 7 results in: HTTP Error 403.14 - Forbidden
...
Don't forget that for a 64 bit system it's "Framework64". I.e., Windows\Microsoft.NET\Framework64\v4.xxx.xxx
– grahamesd
Dec 17 '15 at 21:29
...
Why is Java's boolean primitive size not defined?
... (O'Reilly) says a boolean primitive type is 1 byte. That could be wrong, based on what the examination of the heap is showing. I wonder if most JVMs have issues with allocating less than a byte for variables.
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emacs, unsplit a particular window split
... for help, clarification, or responding to other answers.Making statements based on opinion; back them up with references or personal experience.To learn more, see our tips on writing great answers.
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How can I open a cmd window in a specific location?
...
64
Try out this "PowerToy" from Microsoft:
Open Command Window Here
This PowerToy adds an...
Is there a REAL performance difference between INT and VARCHAR primary keys?
...ary key, then do it.
Don't use either strategy for all tables in your database. It's likely that in some cases, a natural key is better, but in other cases a surrogate key is better.
Other folks make a good point that it's rare in practice for a natural key to never change or have duplicates, s...
Set 4 Space Indent in Emacs in Text Mode
...right.
'(tab-stop-list (quote (4 8 12 16 20 24 28 32 36 40 44 48 52 56 60 64 68 72 76 80 84 88 92 96 100 104 108 112 116 120))))
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What does `dword ptr` mean?
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unwindunwind
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CREATE TABLE IF NOT EXISTS equivalent in SQL Server [duplicate]
...re name='cars' and xtype='U')
create table cars (
Name varchar(64) not null
)
go
The above will create a table called cars if the table does not already exist.
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