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What are the use cases for selecting CHAR over VARCHAR in SQL?
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What is the difference with the string FooBar and varchar(100) vs char(100)? I'm thinking that demonstrates the difference better, yes? No?
– Joel Peltonen
May 21 '14 at 11:22
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List of special characters for SQL LIKE clause
...rver, from http://msdn.microsoft.com/en-us/library/ms179859.aspx :
% Any string of zero or more characters.
WHERE title LIKE '%computer%' finds all book titles with the word 'computer' anywhere in the book title.
_ Any single character.
WHERE au_fname LIKE '_ean' finds all four-letter first name...
NSIS学习笔记（持续更新） - C/C++ - 清泛网 - 专注C/C++及内核技术
...and the stack.
void __declspec(dllexport) myFunction(HWND hwndParent, int string_size,
TCHAR *variables, stack_t **stacktop,
extra_parameters *extra)
{
g_hwndParent = hwndParent;
EXDLL_INIT();
//读取输入参数
WCHAR szComponent[256];
popstring(szComponent);
//打印参...
could not resolve host github.com error while cloning remote repository in git
What I did: I have created a remote repository on Github and I am trying to clone the remote repository on my local machine. While cloning I am providing the clone URL & target folder.
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Fixing “Lock wait timeout exceeded; try restarting transaction” for a 'stuck" Mysql table?
From a script I sent a query like this thousands of times to my local database:
13 Answers
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How can I run MongoDB as a Windows service?
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I think if you run it with the --install command line switch, it installs it as a Windows Service.
mongod --install
It might be worth reading this thread first though. There seems to be some problems with relative/absolute paths when the relevant registry key gets wr...
How can I determine installed SQL Server instances and their versions?
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At a command line:
SQLCMD -L
or
OSQL -L
(Note: must be a capital L)
This will list all the sql servers installed on your network. There are configuration options you can set to prevent a SQL Server from showing in the list. ...
Official reasons for “Software caused connection abort: socket write error”
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WSAECONNABORTED - An understandable explanation
– Mat Gessel
Nov 21 '12 at 2:18
3
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How to copy a collection from one database to another in MongoDB
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At the moment there is no command in MongoDB that would do this. Please note the JIRA ticket with related feature request.
You could do something like:
db.<collection_name>.find().forEach(function(d){ db.getSiblingDB('<new_database>')['<c...
How to retrieve form values from HTTPPOST, dictionary or?
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@Goose, because it is magic strings. You don't get any compile time safety. Your code will fail at runtime if you make a typo in the name of the variable whereas if you are using strong typing, the compiler will be your friend.
– D...