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How can “while (i == i) ;” be a non-infinite loop in a single threaded application?
...ecause a calculation failed - eg square root of a negative, divide by zero etc - it makes no sense in comparing them against anything else. After all if divide by zero is a nan is it equivalent to the square root of -2 or square root of -3 ?
Nan allows a calculation that includes a step that return...
Using $_POST to get select option value from HTML
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UTF-8 without BOM
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BOM or Byte Order Mark is sometimes quite annoying. Visual Studio does not change the file unless you save it (as Hans said).
And here is the solution to your problem:
If you want to save a file with other encodings select save as and ...
Using jQuery to test if an input has focus
...ilding, several <div> s use the CSS :hover pseudo-class to add a border when the mouse is over them. One of the <div> s contains a <form> which, using jQuery, will keep the border if an input within it has focus. This works perfectly except that IE6 does not support :hover ...
Xcode build failure “Undefined symbols for architecture x86_64”
...on
I had several targets in Xcode with several schemas ( Production , Dev etc ) .. some of my newly added implementation ( Class.m ) were missing in
Xcode->Targets->Build Phases->Compile Sources
So I had to add them manually.
then I could compile & build successfully.
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Remove characters except digits from string using Python?
...op
is 50% slower than RE, so the .translate approach beats it by over an order of magnitude.
In Python 3, or for Unicode, you need to pass .translate a mapping (with ordinals, not characters directly, as keys) that returns None for what you want to delete. Here's a convenient way to express this ...
Making a request to a RESTful API using python
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Saving enum from select in Rails 4.1
...ast.status
Contract Load (0.2ms) SELECT "contracts".* FROM "contracts" ORDER BY "contracts"."id" DESC LIMIT ? [["LIMIT", 1]]
=> "active"
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What does string::npos mean in this code?
...pos = -1;"
It is returned by string functions indicating error/not found etc.
Get the last non-empty cell in a column in Google Sheets
... actual last cell with actual data and this gets it whether the data is in order or not.
– Chuck Claunch
Mar 5 '17 at 3:13
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