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What is the benefit of zerofill in MySQL?
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One example in order to understand, where the usage of ZEROFILL might be interesting:
In Germany, we have 5 digit zipcodes. However, those Codes may start with a Zero, so 80337 is a valid zipcode for munic, 01067 is a zipcode of Berlin.
A...
Where is Java's Array indexOf?
...here are four considerations:
The array must be sorted either in natural order or in the order of a Comparator that you provide as an argument, or at the very least all elements that are "less than" the key must come before that element in the array and all elements that are "greater than" the key...
Why do you create a View in a database?
...base in which some of the entities were person, company, role, owner type, order, order detail, address and phone, where the person table stored both employees and contacts and the address and phone tables stored phone numbers for both persons and companies, and the development team were tasked with...
How do I install cURL on cygwin?
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In order to use the command-line version of curl, you need the curl executable.
So, run the Cygwins Setup.exe, and select curl (under Net->curl). That one uses libcurl3, which is located in Libs->libcurl3. But libcurl3 wil...
Why are C# 3.0 object initializer constructor parentheses optional?
..., and able to be readily referred to. Shall we instead contact directly in order to choreograph a staged SO post / answer dance? :)
– James Dunne
Sep 7 '10 at 17:53
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SQL Server String or binary data would be truncated
...ths may all match, but perhaps you are specifying the columns in the wrong order in your SELECT statement. Say tableX and tableY have columns with the same name, but in different order
share
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impr...
Git format-patch to be svn compatible?
...d -e 's/.*:refs\/remotes\///'`
REV=`git svn find-rev $(git rev-list --date-order --max-count=1 $TRACKING_BRANCH)`
git diff --no-prefix $(git rev-list --date-order --max-count=1 $TRACKING_BRANCH) $* |
sed -e "s/^+++ .*/& (working copy)/" -e "s/^--- .*/& (revision $REV)/" \
-e "s/^diff -...
Oracle “(+)” Operator
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Exactly right. In order to keep the (+) straight in my head (left side vs. right side), I like to think of the (+) as "adding NULL values if no match found". For example, "a.id=b.id(+)" means allow b.id to be NULL if there is no match with a....
How to enable Heap updates on my android client
... In eclipse you have to click Window -> Open Perspective -> DDMS, in order to open the DDMS perspective. There you have a lot of windows popping up - including a devices tab (the one that they're talking about).
– AgentKnopf
Mar 26 '12 at 6:46
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Selecting the last value of a column
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Both instances of ROW can be replaced by COLUMN in order to return the last value in a particular row (instead of the last value in a particular column).
– Jon Schneider
Mar 10 '13 at 4:29
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