大约有 15,000 项符合查询结果（耗时：0.0614秒） [XML]
Reload django object from database
...
@Yunti You can defer fields, or explicitly ask for only a subset of fields and the resulting object will be only partially populated. refresh_from_db will only update such already populated fields.
– 301_Moved_Permanently
...
Where does Jenkins store configuration files for the jobs it runs?
...thin an eponymous directory in jobs/. The job configuration file is config.xml, the builds are stored in builds/, and the working directory is workspace/. See the Jenkins documentation for a visual representation and further details.
...
How to sort my paws?
In my previous question I got an excellent answer that helped me detect where a paw hit a pressure plate, but now I'm struggling to link these results to their corresponding paws:
...
HTML5 doctype putting IE9 into quirks mode?
...
Placing:
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
in the <head> tag should do it.
share
|
improve this answer
...
How can I have ruby logger log output to stdout as well as file?
...o write and close (not puts). As long as MultiIO responds to those and proxies them to the real IO objects, this should work.
share
|
improve this answer
|
follow
...
Difference between . and : in Lua
...lon is for implementing methods that pass self as the first parameter. So x:bar(3,4)should be the same as x.bar(x,3,4).
share
|
improve this answer
|
follow
|...
SQL selecting rows by most recent date
... can use a GROUP BY to group items by type and id. Then you can use the MAX() Aggregate function to get the most recent service month. The below returns a result set with ChargeId, ChargeType, and MostRecentServiceMonth
SELECT
CHARGEID,
CHARGETYPE,
MAX(SERVICEMONTH) AS "MostRecentServiceMon...
String is immutable. What exactly is the meaning? [duplicate]
...are immutable? Well to your surprise, it is.
When the above statement is executed, the VM takes the value of String str, i.e. "knowledge" and appends " base", giving us the value "knowledge base". Now, since Strings are immutable, the VM can't assign this value to str, so it creates a new String ob...
Random row selection in Pandas dataframe
...
Something like this?
import random
def some(x, n):
return x.ix[random.sample(x.index, n)]
Note: As of Pandas v0.20.0, ix has been deprecated in favour of loc for label based indexing.
sha...
How to retrieve a single file from a specific revision in Git?
...
Using git show
To complete your own answer, the syntax is indeed
git show object
git show $REV:$FILE
git show somebranch:from/the/root/myfile.txt
git show HEAD^^^:test/test.py
The command takes the usual style of revision, meaning you can use any of the following:
branch name...