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Why does substring slicing with index out of range work?
...xample'[3:4] and 'example'[3] are fundamentally different, and slicing outside the bounds of a sequence (at least for built-ins) doesn't cause an error.
It might be surprising at first, but it makes sense when you think about it. Indexing returns a single item, but slicing returns a subsequence of...
Spring Expression Language (SpEL) with @Value: dollar vs. hash ($ vs. #)
...e and complex. It can also handle property placeholders, and a lot more besides.
Both are valid, and neither is deprecated.
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Determine command line working directory when running node bin script
...ry of the node package) if it's has not been changed by 'process.chdir' inside of application.
__filename returns absolute path to file where it is placed.
__dirname returns absolute path to directory of __filename.
If you need to load files from your module directory you need to use relative path...
Can I incorporate both SignalR and a RESTful API?
...push based, using the SignalR library. This really sped up the page considerably and reduced a lot of the server calls from the page.
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What is the minimum length of a valid international phone number?
I need to validate user input of an international phone number. According to E.164 , the maximum length is 15 digits, but I was unable to find any information about the minimum. I consider digits only, no plus sign or separators.
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What's the meaning of Base SDK, iOS deployment target, Target, and Project in xcode
...t want the same settings for all targets. The project-level settings override the default settings and the target-level settings override the project-level settings.
For example I have projects with both OSX and iOS targets and some are ARC and some are MRR. I'd have to have different projects fo...
Difference between -pthread and -lpthread while compiling
...revious comments. I don't care at all about what happens if you don't provide -lpthread or some random other proprietary options. Only -lpthread is specified by POSIX to guarantee pthreads and that doesn't seems to be sufficient with gcc.
– fuz
Mar 8 '18 at 1...
Docker - a way to give access to a host USB or serial device?
Last time I checked, Docker didn't have any means to give container access to host serial or USB port . Is there a trick which allows doing that?
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How to read file contents into a variable in a batch file?
... /p calls cmd!ReadBufFromInput with a stack allocated buffer to read 1023 wide characters (2046 bytes). It reads 1023 bytes from the file, assuming 1 byte per OEM/ANSI character, but it decodes the file using the current codepage, which isn't necessarily OEM/ANSI. Worst case is codepage 65001 and a ...
Init method in Spring Controller (annotation version)
...
You can use
@PostConstruct
public void init() {
// ...
}
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