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Using Excel OleDb to get sheet names IN SHEET ORDER

...param name="excelFile">The excel file.</param> /// <returns>String[]</returns> private String[] GetExcelSheetNames(string excelFile) { OleDbConnection objConn = null; System.Data.DataTable dt = null; try { // Connection String. Change the excel file to t...
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What is the in a .vimrc file?

...der To define a mapping which uses the "mapleader" variable, the special string "<Leader>" can be used. It is replaced with the string value of "mapleader". If "mapleader" is not set or empty, a backslash is used instead. Example: :map <Leader>A oanother line <Esc> Works ...
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Mutex example / tutorial? [closed]

... entry to the room much like the phone booth. So now, even though you have extra mutexes, you can reuse the phone booth in any project. Another option would be to expose locking mechanisms for each device in the room and manage the locks in the room class. Either way, you wouldn't add new locks to t...
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How to test code dependent on environment variables using JUnit?

...onmentVariablesTest { @Test public void setEnvironmentVariable() { String value = withEnvironmentVariable("name", "value") .execute(() -> System.getenv("name")); assertEquals("value", value); } } For Java 5 to 7 the library System Rules has a JUnit rule called EnvironmentVari...
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Best way to add page specific JavaScript in a Rails 3 app?

...ge of the asset pipeline, minified js etc, it's possible to do so and have extra js assets which are combined and only loaded on specific pages by splitting your js into groups which only apply in certain controllers/views/sections of the site. Move your js in assets into folders, with a separate ...
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How can I efficiently select a Standard Library container in C++11?

... well known image (cheat sheet) called "C++ Container choice". It's a flow chart to choose the best container for the wanted usage. ...
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How to copy commits from one branch to another?

...heckout v2.1 git merge wss-to-rebase Note: the reason that it takes some extra work in order to do this is that it's creating duplicate commits in your repository. This isn't really a good thing - the whole point of easy branching and merging is to be able to do everything by making commit(s) one ...
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When to use EntityManager.find() vs EntityManager.getReference() with JPA

... dirty checking. Suppose the following public class Person { private String name; private Integer age; } public class PersonServiceImpl implements PersonService { public void changeAge(Integer personId, Integer newAge) { Person person = em.getReference(Person.class, personI...
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Difference between pre-increment and post-increment in a loop?

...value. ++a is known as prefix. add 1 to a, returns the new value. C#: string[] items = {"a","b","c","d"}; int i = 0; foreach (string item in items) { Console.WriteLine(++i); } Console.WriteLine(""); i = 0; foreach (string item in items) { Console.WriteLine(i++); } Output: 1 2 3 4 0...
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z-index not working with fixed positioning

... @marflar My pleasure. Btw, take a look at your fiddle. there is an extra tag </body> and an extra tag </html> in the end. – Michel Ayres Mar 26 '14 at 18:52 2 ...