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Creating a new dictionary in Python
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Call dict with no parameters
new_dict = dict()
or simply write
new_dict = {}
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How can I get rid of an “unused variable” warning in Xcode?
...as an "unused" attribute you can use to suppress that warning:
BOOL saved __attribute__((unused)) = [moc save:&error];
Alternatively (in case LLVM doesn't support the above), you could split the variable declaration into a separate line, guaranteeing that the variable would be "used" whether ...
Why not inherit from List?
...football to fill in the blank:
A football team is a particular kind of _____
Did anyone say "list of football players with a few bells and whistles", or did they all say "sports team" or "club" or "organization"? Your notion that a football team is a particular kind of list of players is in y...
Best general SVN Ignore Pattern?
...rmatted for copy and paste:
*.o *.lo *.la #*# .*.rej *.rej .*~ *~ .#* .DS_Store thumbs.db Thumbs.db *.bak *.class *.exe *.dll *.mine *.obj *.ncb *.lib *.log *.idb *.pdb *.ilk *.msi* .res *.pch *.suo *.exp *.*~ *.~* ~*.* cvs CVS .CVS .cvs release Release debug Debug ignore Ignore bin Bin obj Obj *....
Array.push() if does not exist?
... it doesn't then just push the item into the array:
var newItem = "NEW_ITEM_TO_ARRAY";
var array = ["OLD_ITEM_1", "OLD_ITEM_2"];
array.indexOf(newItem) === -1 ? array.push(newItem) : console.log("This item already exists");
console.log(array)
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Completion block for popViewController
...where animated {
coordinator.animateAlongsideTransition(nil) { _ in
completion()
}
} else {
completion()
}
}
func popViewController(animated: Bool, completion: () -> ()) {
popViewControllerAnimated(animated)
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iPhone App 开发第一步：从零到真机调试HelloWorld - 更多技术 - 清泛网 - ...
...机器（intel已经可以装lion了，此处不再讨论），应用darwin_snow_legacy.iso，进行引导，之后一路安装直至成功；
（2）安装完成后，装VMTools实现共享，以及声卡驱动；（3）之后要对系统进行升级（我是从10.6升级至10.6.7），升...
What is the difference between .text, .value, and .value2?
...ome sort of innate type that you will have to act upon.
dynamic x = ws.get_Range("A1").Value2;
object y = ws.get_Range("A1").Value2;
var z = ws.get_Range("A1").Value2;
double d = ws.get_Range("A1").Value2; // Value of a serial is always a double
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Detect Safari browser
...ut not "chrome": developers.whatismybrowser.com/useragents/explore/software_name/…
– Eric Andrew Lewis
Mar 1 '19 at 15:41
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How to automatically convert strongly typed enum into int?
The a::LOCAL_A is what the strongly typed enum is trying to achieve, but there is a small difference : normal enums can be converted into integer type, while strongly typed enums can not do it without a cast.
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