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Null check in an enhanced for loop
...ray == null || array.length == 0;
}
This is the same as the answer given by @OscarRyz, but for the sake of the DRY mantra, I believe it is worth noting. See the commons-lang project page. Here is the nullToEmpty API documentation and source
Maven entry to include commons-lang in your project if i...
Why cast unused return values to void?
...t trigger the warning in my environment
– Mykola Golubyev
Mar 27 '09 at 13:09
In VC++, it suppresses the warning
...
How can I close a buffer without closing the window?
... fact, any window splitting configuration other than the standard (created by sp).
– hitzg
Jun 29 '15 at 13:26
2
...
How can I check in a Bash script if my local Git repository has changes?
...driver), though the --exit-code shouldn't be necessary, since it's implied by --quiet.
– Cascabel
Jan 13 '12 at 14:56
5
...
Xcode Command /usr/bin/codesign failed with exit code 1 : errSecInternalComponent
...o there was some interplay between the last time the keychain was unlocked by xcode and the password used to do so.
– sherrellbc
Aug 2 '19 at 19:31
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event.preventDefault() vs. return false
...
what is really mean by bubbling? example?
– Govi S
Aug 17 '16 at 10:59
5
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What is the difference between ng-app and data-ng-app?
... answered Nov 7 '13 at 3:15
Kirby L. WallaceKirby L. Wallace
1,24911 gold badge88 silver badges22 bronze badges
...
Concatenating two lists - difference between '+=' and extend()
...
The only difference on a bytecode level is that the .extend way involves a function call, which is slightly more expensive in Python than the INPLACE_ADD.
It's really nothing you should be worrying about, unless you're performing this operation bill...
How to prevent IFRAME from redirecting top-level window
...tically
allow-top-navigation allows the document to break out of the frame by navigating the top-level window
Top navigation is what you want to prevent, so leave that out and it will not be allowed. Anything left out will be blocked
ex.
<iframe sandbox="allow-same-origin allow-scri...
jQuery Ajax error handling, show custom exception messages
...}else if(exception=='abort'){
message="Request was aborted by the server";
}else {
message="Unknown Error \n.";
}
$(this).css("display","inline");
$(this).html(message);
});
...