大约有 41,000 项符合查询结果（耗时：0.0644秒） [XML]
How to automatically generate N “distinct” colors?
I wrote the two methods below to automatically select N distinct colors. It works by defining a piecewise linear function on the RGB cube. The benefit of this is you can also get a progressive scale if that's what you want, but when N gets large the colors can start to look similar. I can also imagi...
Eclipse ctrl+right does nothing
...sing Ctrl + Right to move to the next word and Ctrl + Shift + Right to select the next word. But on eclipse nothing happens, the cursor stays in the same place.
...
Reverting part of a commit with git
... for reverting whole commits. You can use git checkout -p to interactively select bits to revert.
– mipadi
Mar 31 '17 at 18:52
1
...
How to create a unique index on a NULL column?
...rt this. I have SSMS 10.50.1617 and in the Index Properties dialog you can select the Filter page to edit the filter. e.g. "([Column1] IS NOT NULL)"
– Phil Haselden
Aug 9 '11 at 5:27
...
Design patterns or best practices for shell scripts [closed]
...NCNAME"
return 1
fi
local name=`$p_Table__mysql_exec "SELECT name FROM table WHERE id = '$id'"`
if test $? != 0 ; then
EXCEPTION=$Table__MySqlException
EXCEPTION_MSG="unable to perform select"
EXCEPTION_FUNC="$FUNCNAME"
return 1
fi
...
Unix tail equivalent command in Windows Powershell
...Wait only shows me new lines when I access a log file in some way (such as selecting it in Windows Explorer). Tail provides updates as new lines are written to my file. With -Wait, I can leave a PowerShell window open happily showing no new lines while the file is being written to. If I then pop ove...
Truncating long strings with CSS: feasible yet?
...ion. It does come with the downside however of not allowing the text to be selected in Firefox. Check out his guest post on Matt Snider's blog for the full details on how this works.
Note this technique also prevents updating the content of the node in JavaScript using the innerHTML property in Fir...
Why am I getting tree conflicts in Subversion?
...ecursively (-R), starting from the current directory (.).
In TortoiseSVN, selecting "Resolved" on right click, actually resolves this issue.
share
|
improve this answer
|
fo...
Representing and solving a maze given an image
...otoshop in Image -> Adjustments -> Threshold.
Make sure threshold is selected right. Use the Magic Wand Tool with 0 tolerance, point sample, contiguous, no anti-aliasing. Check that edges at which selection breaks are not false edges introduced by wrong threshold. In fact, all interior points ...
What is the easiest way to ignore a JPA field during persistence?
...uted properties, so you annotate them with @Transient to exclude them from SELECT, INSERT, UPDATE, and DELETE SQL statements.
So, for basic attributes, you need to use @Transient in order to exclude a given property from being persisted.
For more details about computed entity attributes, ch...