大约有 40,000 项符合查询结果（耗时：0.0430秒） [XML]
Why does 'git commit' not save my changes?
...
Maybe an obvious thing, but...
If you have problem with the index, use git-gui. You get a very good view how the index (staging area) actually works.
Another source of information that helped me understand the index was Scott Chacons "Getting Git" page 259 and forward.
I started off...
What is the method for converting radians to degrees?
I run into this occasionally and always forget how to do it.
12 Answers
12
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How to grep (search) committed code in the Git history
...d, or changed.
Take this commit as an example:
diff --git a/test b/test
index dddc242..60a8ba6 100644
--- a/test
+++ b/test
@@ -1 +1 @@
-hello hello
+hello goodbye hello
Because the number of times "hello" appears in the file is the same before and after this commit, it will not match using -Sh...
git: Switch branch and ignore any changes without committing
...inor changes) or
checkout -f (When switching branches, proceed even if the index or the working tree differs from HEAD. This is used to throw away local changes. )
Or, more recently:
With Git 2.23 (August 2019) and the new command git switch:
git switch -f <branch-name>
(-f is short for --...
SQL “select where not in subquery” returns no results
...mortech's answer and @rexem's comments.
If either Table1 or Table2 is not indexed on commonID, you get a table scan but @patmortech's query is still twice as fast (for a 100K row master table).
If neither are indexed on commonID, you get two table scans and the difference is negligible.
If both a...
How to screenshot website in JavaScript client-side / how Google did it? (no need to access HDD) [du
...t/air/flex/articles/air_screenrecording.html but I am doubtful if it will allow this effortlessly on a webpage as such a screen grab could be used for malicious actions and privacy invasion
– Vaibhav Garg
Aug 5 '11 at 4:22
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Show data on mouseover of circle
...body")
.append("div")
.style("position", "absolute")
.style("z-index", "10")
.style("visibility", "hidden")
.text("a simple tooltip");
Then you can just toggle it using
.on("mouseover", function(){return tooltip.style("visibility", "visible");})
.on("mousemove", function(){ret...
get dictionary key by value
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types.Values.ToList().IndexOf("one");
Values.ToList() converts your dictionary values into a List of objects.
IndexOf("one") searches your new List looking for "one" and returns the Index which would match the index of the Key/Value pair in the ...
Unknown column in 'field list' error on MySQL Update query
...Thank you. I was trying to figure out why my query in PHP was not working, all I had to do was add the single quotes.
– RiCHiE
Jul 2 '16 at 5:12
1
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SQLite with encryption/password protection
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Get the docs from here system.data.sqlite.org/index.html/doc/trunk/www/index.wiki
– Mangesh
Apr 26 '16 at 15:51
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