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What does the '.' (dot or period) in a Go import statement do?
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It allows the identifiers in the imported package to be referred to in the local file block without a qualifier.
If an explicit period (.) appears instead of a name, all the package's exported identifiers will be declared in the curren...
How do I show a MySQL warning that just happened?
...orusKol, do you have documentation for that? I couldn't find any. But I did find out that the command line option --show-warnings will do the job, according to the MySQL manual.
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Delete/Reset all entries in Core Data?
... delete the SQLite file - but I choose to do it by purging the tables individually with a functions:
- (void) deleteAllObjects: (NSString *) entityDescription {
NSFetchRequest *fetchRequest = [[NSFetchRequest alloc] init];
NSEntityDescription *entity = [NSEntityDescription entityForName:en...
how to append a list object to another
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How to preview git-pull without doing fetch?
...the rest of the commits.
Update: I'm not entirely sure why you want to avoid the use of git fetch. All git fetch does is update your local copy of the remote branches. This local copy doesn't have anything to do with any of your branches, and it doesn't have anything to do with uncommitted local ch...
How to deal with “data of class uneval” error from ggplot2?
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Another cause is accidentally putting the data=... inside the aes(...) instead of outside:
RIGHT:
ggplot(data=df[df$var7=='9-06',], aes(x=lifetime,y=rep_rate,group=mdcp,color=mdcp) ...)
WRONG:
ggplot(aes(data=df[df$var7=='9-06',],x=lifetime,y=...
Backbone.js: `extend` undefined?
...the comment from Tjorriemorrie into the answer?
– sumid
Nov 22 '12 at 22:42
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What is the standard exception to throw in Java for not supported/implemented operations?
...ems reasonable to me. "Yet" or "never" indicated by the Exception gives an idea on how to react on this.
– sschrass
Feb 16 '16 at 9:16
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Groovy / grails how to determine a data type?
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Difference Between Invoke and DynamicInvoke
...ype, you can use Invoke, which is very fast - everything is already pre-validated. For example:
Func<int,int> twice = x => x * 2;
int i = 3;
int j = twice.Invoke(i);
// or just:
int j = twice(i);
However! If you just know that it is Delegate, it has to resolve the parameters etc manually...