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Abort makefile if variable not set
...
TL;DR: Use the error function:
ifndef MY_FLAG
$(error MY_FLAG is not set)
endif
Note that the lines must not be indented. More precisely, no tabs must precede these lines.
Generic solution
In case you're going to test many variables,...
How to decode Unicode escape sequences like “\u00ed” to proper UTF-8 encoded characters?
...PHP that can decode Unicode escape sequences like " \u00ed " to " í " and all other similar occurrences?
7 Answers
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npm: disable postinstall script for package
Is it any npm option exist to disable postinstall script while installing package? Or for rewriting any field from package.json?
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Separate REST JSON API server and client? [closed]
...nts: front-end websites, smartphone apps, backend webservices, etc. So I really want a JSON REST API for each one.
18 Answe...
Dynamically load JS inside JS [duplicate]
... An additional problem is that this would swallow any syntax errors. So you'd want to catch them in fail().
– Vanuan
Jan 31 '17 at 1:25
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Understanding dict.copy() - shallow or deep?
... Nice answer, but you might consider correcting the grammatical error in your first sentence. And there's no reason to not use L again in b. Doing so would simplify the example.
– Tom Russell
Oct 27 '17 at 4:47
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How can I convert string date to NSDate?
...let date = dateFormatter.date(from: /* your_date_string */) else {
fatalError("ERROR: Date conversion failed due to mismatched format.")
}
// use date constant here
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Choosing a Java Web Framework now? [closed]
...ad of having to do the whole redeploy thing with Servlet based frameworks.
Error messages are displayed nicely and not so cryptic most of the time. Play still needs to work on their error handling
There's a plugin mechanism for Play that's pretty simple.
Object persistence is done very nicely in th...
Declaring an unsigned int in Java
... however, are different. As of Java SE 8, new methods in the Integer class allow you to fully use the int data type to perform unsigned arithmetic:
In Java SE 8 and later, you can use the int data type to represent an unsigned 32-bit integer, which has a minimum value of 0 and a maximum value of...
String formatting: % vs. .format vs. string literal
...ere %s" % name
yet, if name happens to be (1, 2, 3), it will throw a TypeError. To guarantee that it always prints, you'd need to do
"hi there %s" % (name,) # supply the single argument as a single-item tuple
which is just ugly. .format doesn't have those issues. Also in the second example yo...