大约有 23,000 项符合查询结果（耗时：0.0574秒） [XML]
Generate random int value from 3 to 6
...) % 6) + 1
3 through 6
SELECT ABS(CHECKSUM(NEWID()) % 4) + 3
Dynamic (Based on Eilert Hjelmeseths Comment)
SELECT ABS(CHECKSUM(NEWID()) % (@max - @min + 1)) + @min
Updated based on comments:
NEWID generates random string (for each row in return)
CHECKSUM takes value of string and creates...
Two way sync with rsync
...
You might use Osync: http://www.netpower.fr/osync , which is rsync based with intelligent deletion propagation. it has also multiple options like resuming a halted execution, soft deletion, and time control.
share
...
Accessing a Dictionary.Keys Key through a numeric index
...c void AddNew(string s, int i)
{
lastKeyInserted = i;
base.Add(s, i);
}
}
share
|
improve this answer
|
follow
|
...
what's the difference between “hadoop fs” shell commands and “hdfs dfs” shell commands?
...etween hdfs dfs and hadoop fs. They're simply different naming conventions based on which version of Hadoop you're using. For example, the notes in 1.2.1 use hdfs dfs while 0.19 uses hadoop fs. Notice that the separate commands are described verbatim. They are used identically.
Also note that both ...
What kind of leaks does automatic reference counting in Objective-C not prevent or minimize?
...he published specification goes into in detail.
Much of the new behavior, based on keeping objects around as long as there is a strong pointer to them, is very similar to garbage collection on the Mac. However, the technical underpinnings are very different. Rather than having a garbage collector...
Check if current directory is a Git repository
...t (C) 2006,2007 Shawn O. Pearce <spearce@spearce.org>
# Conceptually based on gitcompletion (http://gitweb.hawaga.org.uk/).
# Distributed under the GNU General Public License, version 2.0.
if [ -d .git ]; then
echo .git;
else
git rev-parse --git-dir 2> /dev/null;
fi;
You could either...
Java to Clojure rewrite
...lop data access routines that can persist these structures to/from the database or network or legacy Java code as needed. The reason to keep this very separate is that you don't want persistence logic tied up with your "business logic" functions. You might want to look at ClojureQL for this, though ...
Rename specific column(s) in pandas
...is argument was introduced in v0.21.
Index.str.replace() for string/regex based replacement.
If you need to rename ALL columns at once,
DataFrame.set_axis() method with axis=1. Pass a list-like sequence. Options are available for in-place modification as well.
rename with axis=1
df = pd.DataFr...
Do on-demand Mac OS X cloud services exist, comparable to Amazon's EC2 on-demand instances? [closed]
...their is a pay as you go plan at $1/hr. I'd probably go with pay as you go based on my usage. The pay as you go is based on prepaid credits (1 credit = 1 hour, billed at 30 credit increments). One caveat is that you need to periodically use the plan at least once every 60 days for the pay as you go ...
Get Android API level of phone currently running my application [duplicate]
...uild.VERSION_CODES Human Version Name
1 BASE Android 1.0 (no codename)
2 BASE_1_1 Android 1.1 Petit Four
3 CUPCAKE Android 1.5 Cupcake
4 DONUT ...