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Warning on “diff.renamelimit variable” when doing git push
I'm pushing the local commit to the remote git server and got the following warning messages:
2 Answers
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Replace one character with another in Bash
...lexity is worse than linear. A small test: x="$(tr -dc 'a-z \n' </dev/urandom | head -c1M)"; time y="$(tr ' ' \\- <<< "$x")"; time z="${x// /-}". With a string length of 1M (=2^20) tr took 0.04s and bash 5.0.11 took 17s. With 2M tr took 0.07s (expected) but bash took 69s (4 times as lon...
Why does csvwriter.writerow() put a comma after each character?
This code opens the url and appends the /names at the end and opens the page and prints the string to test1.csv :
3 Answ...
How do you rebase the current branch's changes on top of changes being merged in?
Okay. If I'm on a branch (say working ), and I want to merge in the changes from another branch (say master ), then I run the command git-merge master while on the working branch, and the changes get merged in without rebasing the history at all. If I run git-rebase master , then the changes ...
JQuery .on() method with multiple event handlers to one selector
...e:
$("table.planning_grid").on({
mouseenter: function() {
// Handle mouseenter...
},
mouseleave: function() {
// Handle mouseleave...
},
click: function() {
// Handle click...
}
}, "td");
...
How do you delete an ActiveRecord object?
...
It's destroy and destroy_all methods, like
user.destroy
User.find(15).destroy
User.destroy(15)
User.where(age: 20).destroy_all
User.destroy_all(age: 20)
Alternatively you can use delete and delete_all which won't enforce :before_destro...
How can I determine whether a Java class is abstract by reflection
I am interating through classes in a Jar file and wish to find those which are not abstract. I can solve this by instantiating the classes and trapping InstantiationException but that has a performance hit as some classes have heavy startup. I can't find anything obviously like isAbstract() in the C...
Java - JPA - @Version annotation
...//...
}
On update, the field annotated with @Version will be incremented and added to the WHERE clause, something like this:
UPDATE MYENTITY SET ..., VERSION = VERSION + 1 WHERE ((ID = ?) AND (VERSION = ?))
If the WHERE clause fails to match a record (because the same entity has already been up...
What limits does scala place on the “acceptable complexity” of inferred types?
...or example, the type of if (cond) e1 else e1 is the LUB of the types of e1 and e1.
These types can get quite large, for example try this in a REPL:
:type Map(1 -> (1 to 10), 2 -> (1 to 10).toList)
scala.collection.immutable.Map[Int,scala.collection.immutable.Seq[Int] with scala.collection.Ab...
In Objective-C, what is the equivalent of Java's “instanceof” keyword?
...if ([myObject isKindOfClass:[AnObject class]])
as suggested by Jon Skeet and zoul.
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