I have inserted records into a SQL Server database table. The table had a primary key defined and the auto increment identity seed is set to “Yes”. This is done primarily because in SQL Azure, each...

2008年8月2日 · I often have to sort a dictionary (consisting of keys & values) by value. For example, I have a hash of words and respective frequencies that I want to order by frequency. There is a SortedList...

2012年3月13日 · 1 Set up a virtual host: . You first need to set up a virtual host in your apache httpd-vhosts.conf file. On XAMP, you can find this file here: C:\xampp\apache\conf\extra\httpd-vhosts.conf.

os.environ behaves like a python dictionary, so all the common dictionary operations can be performed. In addition to the get and set operations mentioned in the other answers, we can also simply check if a key exists.

2017年12月29日 · 2018 Update. In the current version of PowerShell (tested with v5.1 on Windows 10 and Windows 11 in 2023) one can use the simpler Unix syntax rm -R .\DirName to silently delete the directory .\DirName with all subdirectories and files it may contain.

I have a dataframe like this: 0 1 2 0 354.7 April 4.0 1 55.4 August 8.0 2 176.5 December 12.0 3 95.5 February 2.0 4 85.6 January 1.0 5 ...

2009年7月21日 · I believe this is probably faster than any other way if you don't care about the lists order, if you do take care about the final order store the indexes from the original and resort by that. category_ids.sort() ones_last_index = category_ids.count('1') del category_ids[0:ones_last_index]

2016年5月12日 · After many years of trying to get file encoding from native CMD/Powershell methods, and always having to resort to using (and installing) 3rd party software like Cygwin, git-bash and other external binaries, there is finally a native method.

Use People implements Comparable<People> instead; this defines the natural ordering for People.. A Comparator<People> can also be defined in addition, but People implements Comparator<People> is not the right way of doing things.

2008年10月16日 · This is a mostly good answer but the last example is absurdism. It is analagous to someone asking how to get rid of an empy coca cola bottle located on their desk and my answer is to order a brand new desk and then move every single item from the old desk onto the new desk except for the empty bottle of coca-cola.