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Access-control-allow-origin with multiple domains
...Allow-Origin). Rewrite uses underscores "_" instead of dashes "-" (rewrite converts them to dashes)
Explaining the server variable HTTP_ORIGIN :
Similarly, in Rewrite you can grab any Request Header using HTTP_ as the prefix. Same rules with the dashes (use underscores "_" instead of dashes "-").
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This project references NuGet package(s) that are missing on this computer
...in this snippet you can see where the error message is coming from.
I was converting from MSBuild-Integrated Package Restore to Automatic Package Restore (http://docs.nuget.org/docs/workflows/migrating-to-automatic-package-restore)
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How to access object attribute given string corresponding to name of that attribute
...me df1,and a variable x = 'df1' i.e. df1 as a string in var x. i want to print the shape of df like this, getattr(x, 'shape') or getattr('df1', 'shape'). I know this cannot be done with getattr, any other methods.
– ihightower
Feb 1 at 13:50
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How to add column if not exists on PostgreSQL?
...hich have no IF NOT EXISTS syntax - for example ALTER TABLE ... ADD CONSTRAINT.
– Tomasz Gandor
Apr 16 '19 at 9:51
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decimal vs double! - Which one should I use and when? [duplicate]
... some base 10 numbers are corrupted because they are an infinite series if converted to a base 2 exp, in binary float math 0.1 * 0.1 != 0.01 because 0.1 cannot be represented exactly. Math operations also lead to drift - add and subtract with dollars and cents and you can get numbers like 0.99999999...
Double vs. BigDecimal?
...es store values as binary and therefore might introduce an error solely by converting a decimal number to a binary number, without even doing any arithmetic.
Decimal numbers (like BigDecimal), on the other hand, store each decimal digit as is. This means that a decimal type is not more precise than...
C# How can I check if a URL exists/is valid?
...e.g. images, files etc) HEAD usually works as advertised since it is baked into the server. Many programmers do not explicitly HEAD requests since the focus is normally on POST and GET. YMMV
– David Taylor
May 29 '09 at 15:53
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How is a non-breaking space represented in a JavaScript string?
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That entity is converted to the char it represents when the browser renders the page. JS (jQuery) reads the rendered page, thus it will not encounter such a text sequence. The only way it could encounter such a thing is if you're double enc...
How to resume Fragment from BackStack if exists
...ment not in back stack, create it.
FragmentTransaction ft = manager.beginTransaction();
ft.replace(R.id.content_frame, fragment);
ft.addToBackStack(backStateName);
ft.commit();
}
}
EDIT
The problem is - when i launch A and then B, then press back button, B
is removed and ...
Primary key or Unique index?
...index on a column is an index on that column that also enforces the constraint that you cannot have two equal values in that column in two different rows. Example:
CREATE TABLE table1 (foo int, bar int);
CREATE UNIQUE INDEX ux_table1_foo ON table1(foo); -- Create unique index on foo.
INSERT INTO...