Jul 30, 2013 · The proper or best practice way of using DBContext variable is with the Using. using (var db = new MyEntities()) { return db.Items.Where(it => it.ItemId == itemId && !it.IsDeleted).FirstOrDefault(); } The benefit is many things are done automatically for us. For example once the block of code is completed the dispose is called.

Jan 20, 2009 · I always get the filter date into a datetime, with no time (time= 00:00:00.000) DECLARE @FilterDate datetime --final destination, will not have any time on it DECLARE @GivenDateD datetime --if you're given a datetime DECLARE @GivenDateS char(23) --if you're given a string, it can be any valid date format, not just the yyyy/mm/dd hh:mm:ss.mmm that I'm using SET @GivenDateD='2009/03/30 13:42:50 ...

Jun 18, 2012 · I have a question about if - else structure in a batch file. Each command runs individually, but I couldn't use "if - else" blocks safely so these parts of my programme doesn't work.

Syntax strictly depends on which SQL DBMS you're using. Here are some ways to do it in ANSI/ISO (aka should work on any SQL DBMS), MySQL, SQL Server, and Oracle. Be advised that my suggested ANSI/ISO method will typically be much slower than the other two methods, but if you're using a SQL DBMS other than MySQL, SQL Server, or Oracle, then it ...

Aug 31, 2010 · I have a method returning a List, let's call it GetSomeStrings(). I have an extension method on string class, returning number of characters in the string, eg. myString.Number('A'). I would like ...

With modern versions of curl, you can simply override which ip-address to connect to, using --resolve or --connect-to (curl newer than version 7.49). This works even with SSL/SNI. All details are in the man page. For example, to override DNS and connect to www.example.com with ssl using a particular ip address: (This will also override ipv6)

Using parameters in batch files: %0 and %9 Batch files can refer to the words passed in as parameters with the tokens: %0 to %9 . %0 is the program name as it was called. %1 is the first command line parameter %2 is the second command line parameter and so on till %9.

May 5, 2011 · Using Random class in Java. Random rand = new Random(); int value = rand.nextInt(50); This will give value ...

Install pip using the newly installed setuptools: easy_install pip; The last step will not work unless you're either in the directory easy_install.exe is located in (C:\Python27\Scripts would be the default for Python 2.7), or you have that directory added to your path. OLD Method 1 using ez_setup: from the setuptools page--

Dec 17, 2010 · Now create your new branch called "subbranch_of_b1" under the "branch1" using the following command. git checkout -b subbranch_of_b1 branch1 The above will create a new branch called subbranch_of_b1 under the branch branch1 (note that branch1 in the above command isn't mandatory since the HEAD is currently pointing to it, you can precise it if ...