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Unicode character in PHP string
...oint escape" syntax.
It's now possible to write Unicode characters easily by using a double-quoted or a heredoc string, without calling any function.
$unicodeChar = "\u{1000}";
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What is “lifting” in Scala?
...[A, B] is a function defined for some subset of the domain A (as specified by the isDefinedAt method). You can "lift" a PartialFunction[A, B] into a Function[A, Option[B]]. That is, a function defined over the whole of A but whose values are of type Option[B]
This is done by the explicit invocation...
Disabling implicit animations in -[CALayer setNeedsDisplayInRect:]
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You can do this by setting the actions dictionary on the layer to return [NSNull null] as an animation for the appropriate key. For example, I use
NSDictionary *newActions = @{
@"onOrderIn": [NSNull null],
@"onOrderOut": [NSNull nu...
IIS - 401.3 - Unauthorized
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I have struggled on this same issue for several days. It can be solved by modifying the security user access properties of the file system folder on which your site is mapped. But IIS_IUSRS is not the only account you must authorize.
In IIS management console, in the Authentication part of the...
Laravel migration: unique key is too long, even if specified
...have to set the length of the indexed column according to the limit of 767 bytes. Be aware that VARCHAR may have 1, 2 or 4 bytes for each length unit. Example: utf8_mb4 (4 bytes) -> 767 / 4 = 191. Otherwise utf8_general_ci for VARCHAR(X) with X < 85 ( 1 byte ) = O(85) , or utf8_general_ci for ...
“Undefined reference to” template class constructor [duplicate]
... of cola<T> also.)
Understanding the problem
The problem is caused by the fact that main.cpp and cola.cpp will be compiled separately first. In main.cpp, the compiler will implicitly instantiate the template classes cola<float> and cola<string> because those particular instantiat...
How do I create a nice-looking DMG for Mac OS X using command-line tools?
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After lots of research, I've come up with this answer, and I'm hereby putting it here as an answer for my own question, for reference:
Make sure that "Enable access for assistive devices" is checked in System Preferences>>Universal Access. It is required for the AppleScript to work. ...
Coding Katas for practicing the refactoring of legacy code
...t would ban you from simply using the code prepared and practicing with it by yourself. Just using it for creating a Golden Master makes for an hour of work, and there's a lot more you can do. If your kata usually last around 2 hours, I'd say just by splitting what usually happens on LCR into kata g...
Windows service on Local Computer started and then stopped error
... and then stopped. Some services stop automatically if they are not in use by other service or programs) when there's something wrong with my code, like non-existing drive paths, etc. The windows service will not start.
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How should I escape commas and speech marks in CSV files so they work in Excel?
I'm generating a CSV file (delimited by commas rather than tabs). My users will most likely open the CSV file in Excel by double clicking it. My data may contain commas and speech marks, so I'm escaping those as follows.
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