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Vim Insert Mode on Mac OS X
...ou are absolutely right. However, I am not sure everybody knows. As I came from the Windows background, I knew how to enter the replace-mode with Insert earlier than R.
– Yongwei Wu
Aug 17 '16 at 14:43
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Checking whether a variable is an integer or not [duplicate]
...r object should have (adding? multiplying? doubling?) by making it inherit from a specially-constructed class. That would be the best solution, since it will permit exactly those objects with the necessary and sufficient attributes, but you will have to read the docs on how to use it.
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What is the 'cls' variable used for in Python classes?
...he same concept as static member and non-static members in java if you are from java background.
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Why is MySQL's default collation latin1_swedish_ci?
...swedish. However, the accepted answer seems a more plausible explanation, from a social perspective, for why swedish was chosen in particular.
– Alan
Jul 21 '11 at 19:30
2
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What is the “-d” in “npm -d install”?
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In case anyone else ends up here from a web search, the -d flag is not the same as the upper-case -D, the latter being a flag synonym for --save-dev.
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Creating an empty file in Ruby: “touch” equivalent?
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If you are worried about file handles:
File.open("foo.txt", "w") {}
From the docs:
If the optional code block is given, it will be passed the opened file
as an argument, and the File object will automatically be closed when
the block terminates.
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Using System.Dynamic in Roslyn
...ees: new[] {tree},
references: new[] {
MetadataReference.CreateFromFile(typeof(object).Assembly.Location),
MetadataReference.CreateFromFile(typeof(ExpandoObject).Assembly.Location),
MetadataReference.CreateFromFile(Assembly.Load(new AssemblyName("Microsoft.CSharp")).Locat...
github markdown colspan
...omit closing </td> for speed, оr can leave for consistency.
Result from http://markdown-here.com/livedemo.html :
Works in Jupyter Markdown.
Update:
As of 2019 year all pipes in the second line are compulsory in Jupyter Markdown.
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Pattern to avoid nested try catch blocks?
...e existence of three different methods that do essentially the same thing (from the caller's perspective) but throw different, unrelated exceptions.
This is assuming the three exceptions are unrelated. If they all have a common base class, it'd be better to use a loop with a single catch block, as...
What size do you use for varchar(MAX) in your parameter declaration?
..."@blah",SqlDbType.VarChar).Value = "some large text";
size will be taken from "some large text".Length
This can be problematic when it's an output parameter, you get back no more characters then you put as input.
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