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Declare and initialize a Dictionary in Typescript
... you would expect: Index signatures are
incompatible. Type '{ firstName: string; }' is not assignable to type
'IPerson'. Property 'lastName' is missing in type '{ firstName:
string; }'.
Apparently this doesn't work when passing the initial data at declaration.
I guess this is a bug in TypeS...
How to reverse a string in Go?
How can we reverse a simple string in Go?
27 Answers
27
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Get the last non-empty cell in a column in Google Sheets
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I ended up comparing with the empty string rather than using ISBLANK, which treats some empty-looking cells (e.g. blank-returning formulas like ="" as non-blank. Thus: '=index(filter(A:A, A:A<>""), rows(filter(A:A, A:A<>"")))'
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Is it bad practice to make a setter return “this”?
...builder pattern or a fluent interface.
It's also common in the Java API:
String s = new StringBuilder().append("testing ").append(1)
.append(" 2 ").append(3).toString();
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Visual Studio 64 bit?
...start in a hole and you have to dig yourself out of that hole by
using the extra memory above 4G to your advantage. In Visual Studio
this can happen in some large solutions but I think a preferable thing
to do is to just use less memory in the first place. Many of VS’s
algorithms are amenable to...
Sending a message to nil in Objective-C
...ethods all return 0 when you've got a nil value, so you do not have to add extra checks for nil all over:
if ( [myString length] > 0 )
or this:
return [myArray count]; // say for number of rows in a table
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jQuery - replace all instances of a character in a string [duplicate]
...on, so that you can specify the global (g) flag:
var s = 'some+multi+word+string'.replace(/\+/g, ' ');
(I removed the $() around the string, as replace is not a jQuery method, so that won't work at all.)
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How to get the connection String from a database
...io, I would like to now use it in my C# application. I need the connection string?
11 Answers
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Getting and removing the first character of a string
I would like to do some 2-dimensional walks using strings of characters by assigning different values to each character. I was planning to 'pop' the first character of a string, use it, and repeat for the rest of the string.
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Round to at most 2 decimal places (only if necessary)
... drops any "extra" zeroes at the end.
// It changes the result (which is a string) into a number again (think "0 + foo"),
// which means that it uses only as many digits as necessary.
It seems like Math.round is a better solution. But it is not! In some cases it will NOT round correctly:
Math.round...