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Declare a const array
...s", "Wrongs" };
But, this still has a risk for changes, as you can still cast it back to a string[] and alter the contents, as such:
((string[]) Titles)[1] = "French";
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SQL query for today's date minus two months
...
SELECT COUNT(1)
FROM FB
WHERE
Dte BETWEEN CAST(YEAR(GETDATE()) AS VARCHAR(4)) + '-' + CAST(MONTH(DATEADD(month, -1, GETDATE())) AS VARCHAR(2)) + '-20 00:00:00'
AND CAST(YEAR(GETDATE()) AS VARCHAR(4)) + '-' + CAST(MONTH(GETDATE()) AS VARCHAR(2)) + '-20 00:00:0...
Is it possible to install another version of Python to Virtualenv?
...] DEST_DIR
Options:
--version show program's version number and exit.
-h, --help show this help message and exit.
-v, --verbose Increase verbosity.
-q, --quiet Decrease verbosity.
-p PYTHON_EXE, --python=PYTHON_EXE
The Pytho...
How to convert ‘false’ to 0 and ‘true’ to 1 in Python
...
@AlbertChen: no, because numpy arrays broadcast comparisons and don't produce a boolean value. Instead, comparisons produce an array of boolean values. I'm not sure what you expect from an arrayvalue == 'true' comparison, the question I answered here is specific to a ...
How do I convert NSInteger to NSString datatype?
...
NSIntegers are not objects, you cast them to long, in order to match the current 64-bit architectures' definition:
NSString *inStr = [NSString stringWithFormat: @"%ld", (long)month];
...
C++使用OLE/COM高速读写EXCEL的源码 - C/C++ - 清泛网 - 专注C/C++及内核技术
...下步骤：
1、导入并封装Excel中的接口
Excel作为OLE/COM库插件，定义好了各类交互的接口，这些接口是跨语言的接口。VC可以通过导入这些接口，并通过接口来对Excel的操作。
由于本文只关心对Excel表格中的数据的读取，主要关注...
How do I check if a C++ std::string starts with a certain string, and convert a substring to an int?
...dy using Boost, you can do it with boost string algorithms + boost lexical cast:
#include <boost/algorithm/string/predicate.hpp>
#include <boost/lexical_cast.hpp>
try {
if (boost::starts_with(argv[1], "--foo="))
foo_value = boost::lexical_cast<int>(argv[1]+6);
} c...
How do I sort an NSMutableArray with custom objects in it?
...
I did this in iOS 4 using a block.
Had to cast the elements of my array from id to my class type.
In this case it was a class called Score with a property called points.
Also you need to decide what to do if the elements of your array are not the right type, for thi...
What is the equivalent of bigint in C#?
...insert and used a
SELECT @@identity
on my bigint primary key, and I get a cast error using long - that was why I started this search. The correct answer, at least in my case, is that the type returned by that select is NUMERIC which equates to a decimal type. Using a long will cause a cast exceptio...
How to create a GUID/UUID in Python
...
The uuid module, in Python 2.5 and up, provides RFC compliant UUID
generation. See the module docs and the RFC for details. [source]
Docs:
Python 2: http://docs.python.org/2/library/uuid.html
Python 3:
https://docs.python.org/3/library/uuid.html
E...