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Using the Swift if let with logical AND operator &&
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As of Swift 1.2, this is now possible. The Swift 1.2 and Xcode 6.3 beta release notes state:
More powerful optional unwrapping with if let — The if let construct
can now unwrap multiple optionals at once, as well as include
intervening boolean conditions. This lets you express co...
How to read the output from git diff?
...y index 95%
rename from builtin-http-fetch.c
rename to http-fetch.c
index f3e63d7..e8f44ba 100644
--- a/builtin-http-fetch.c
+++ b/http-fetch.c
@@ -1,8 +1,9 @@
#include "cache.h"
#include "walker.h"
-int cmd_http_fetch(int argc, const char **argv, const char *prefix)
+int main(int argc, const cha...
Shell equality operators (=, ==, -eq)
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answered Dec 8 '13 at 3:31
John KugelmanJohn Kugelman
292k6262 gold badges455455 silver badges506506 bronze badges
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Create a custom callback in JavaScript
... but using our own instance as the context
callback.apply(this, ['Hi', 3, 2, 1]);
}
function foo(salutation, three, two, one) {
alert(salutation + " " + this.name + " - " + three + " " + two + " " + one);
}
var t = new Thing('Joe');
t.doSomething(foo); // Alerts "Hi Joe - 3 2 1" via `foo`...
CSS Box Shadow Bottom Only [duplicate]
...as though it has a shadow underline. I don't want the shadow for the other 3 sides.
4 Answers
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Private pages for a private Github repo
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223
I had raised a support ticket against Github and got a response confirming the fact that ALL pag...
Getting exact error type in from DbValidationException
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378
While you are in debug mode within the catch {...} block open up the "QuickWatch" window (ctrl...
Can you use @Autowired with static fields?
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123
In short, no. You cannot autowire or manually wire static fields in Spring. You'll have to write...
Get current value of a setting in Vim
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389
Add a ? mark after the setting name and it will show the value
:set expandtab?
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