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How to check command line parameter in “.bat” file?
...ne parameter then I will do something. I have created following .bat file. It works for -b and not-equal to -b cases - but it fails when user does not pass any command-line parameter.
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Preferred method to store PHP arrays (json_encode vs serialize)
...for caching purposes. I might occasionally come across the need to convert it to JSON for use in my web app but the vast majority of the time I will be using the array directly in PHP.
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Android: show soft keyboard automatically when focus is on an EditText
I'm showing an input box using AlertDialog . The EditText inside the dialog itself is automatically focused when I call AlertDialog.show() , but the soft keyboard is not automatically shown.
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Can anyone explain IEnumerable and IEnumerator to me? [closed]
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for example, when to use it over foreach?
You don't use IEnumerable "over" foreach. Implementing IEnumerable makes using foreach possible.
When you write code like:
foreach (Foo bar in baz)
{
...
}
it's functionally equivalent to writing:
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Why use a ReentrantLock if one can use synchronized(this)?
...t if one can use synchronized (this) . In the dummy code below, I can do either:
8 Answers
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How do I remove version tracking from a project cloned from git?
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All the data Git uses for information is stored in .git/, so removing it should work just fine. Of course, make sure that your working copy is in the exact state that you want it, because everything else will be lost. .git folder is hidden...
Generics in C#, using type of a variable as parameter [duplicate]
...hat types need to be known at compile-time.
You can call generic methods with types only known at execution time, but you have to use reflection:
// For non-public methods, you'll need to specify binding flags too
MethodInfo method = GetType().GetMethod("DoesEntityExist")
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How to change the remote a branch is tracking?
The central repository had to be set up on a new server, so I created a new remote on my local repo, and pushed to that.
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Can't install Ruby under Lion with RVM – GCC issues
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This answer was edited multiple times and now contains several alternative solutions. Try the simple “Edit 3” solution first.
Ruby 1.9.3-p125 and later have official support for clang, so if you are installing such a version you should n...
How does the paste image from clipboard functionality work in Gmail and Google Chrome 12+?
I noticed a blog post from Google that mentions the ability to paste images directly from the clipboard into a Gmail message if you're using the latest version of Chrome. I tried this with my version of Chrome (12.0.742.91 beta-m) and it works great using control keys or the context menu.
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