大约有 44,000 项符合查询结果（耗时：0.0480秒） [XML]
How do I remove the old history from a git repository?
... needs some elaboration. I tried that and failed to figure out the syntax for "no parent". Manual page claims a parent commit ID is required; using all zeroes just gives me an error.
– Marius Gedminas
Aug 10 '13 at 14:30
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How to use split?
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Thanks for contributing an answer to Stack Overflow!Please be sure to answer the question. Provide details and share your research!But avoid …Asking for help, clarification, or responding to other answers.Making statements based o...
Is there a good reason to use upper case for SQL keywords? [closed]
...t seems to be upper case, but is there really any reason to use upper case for keywords? I started using upper case because I was just trying to match what SQL Server gives me whenever I tried to create something, like a new stored procedure. But then, I felt terrible for my baby (5th) finger, that ...
How to prevent ifelse() from turning Date objects into numeric objects
...- fifelse(dates == '2011-01-01', dates - 1, dates)
str(dates)
# Date[1:5], format: "2010-12-31" "2011-01-02" "2011-01-03" "2011-01-04" "2011-01-05"
dplyr::if_else
From dplyr 0.5.0 release notes:
[if_else] have stricter semantics that ifelse(): the true and false arguments must be the same type. T...
Bash script processing limited number of commands in parallel
...p;
wait
process5 &
process6 &
process7 &
process8 &
wait
For the above example, 4 processes process1 ... process4 would be started in the background, and the shell would wait until those are completed before starting the next set.
From the GNU manual:
wait [jobspec or pid ...]
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jQuery slideUp().remove() doesn't seem to show the slideUp animation before remove occurs
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SORRY = i forgot to remove my id, should be: $('#yourdiv').slideUp(1000, function(){ $('#yourdiv').remove(); });
– Blake
Jan 27 '11 at...
Equal sized table cells to fill the entire width of the containing table
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You don't even have to set a specific width for the cells, table-layout: fixed suffices to spread the cells evenly.
ul {
width: 100%;
display: table;
table-layout: fixed;
border-collapse: collapse;
}
li {
display: table-cell;
text-a...
What is a “batch”, and why is GO used?
... to be separated into smaller batches via go.
In your example, if updating for a set of country codes has such a volume that it will run out of log space, the solution is to separate each country code into a separate transaction - which can be done by separating them on the client with go.
Some SQL...
Gradle alternate to mvn install
...ishes into the local Maven repo, and mavenLocal() makes sure to look there for dependencies.
– Peter Niederwieser
May 27 '11 at 5:31
1
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Linq Syntax - Selecting multiple columns
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You can use anonymous types for example:
var empData = from res in _db.EMPLOYEEs
where res.EMAIL == givenInfo || res.USER_NAME == givenInfo
select new { res.EMAIL, res.USER_NAME };
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