大约有 26,000 项符合查询结果（耗时：0.0130秒） [XML]
Difference between HBase and Hadoop/HDFS
...ata set.
Provides flexible data model.
Hadoop is most suited for offline batch-processing kinda stuff while HBase is used when you have real-time needs.
An analogous comparison would be between MySQL and Ext4.
share
...
Quickly create large file on a Windows system
...'m thinking 5 GB. The content doesn't matter. A built-in command or short batch file would be preferable, but I'll accept an application if there are no other easy ways.
...
Iterate all files in a directory using a 'for' loop
...irectory:
for /r %i in (*) do echo %i
Also if you run that command in a batch file you need to double the % signs.
for /r %%i in (*) do echo %%i
(thanks @agnul)
share
|
improve this answer
...
Python: json.loads returns items prefixing with 'u'
...t
>>> jdata = [{u'i': u'imap.gmail.com', u'p': u'aaaa'}, {u'i': u'333imap.com', u'p': u'bbbb'}]
>>> jdata = ast.literal_eval(json.dumps(jdata))
>>> jdata
[{'i': 'imap.gmail.com', 'p': 'aaaa'}, {'i': '333imap.com', 'p': 'bbbb'}]
...
How to execute a MySQL command from a shell script?
...rver-name" "database-name" < "filename.sql"
Re your comment:
I run batch-mode mysql commands like the above on the command line and in shell scripts all the time. It's hard to diagnose what's wrong with your shell script, because you haven't shared the exact script or any error output. I s...
How to disassemble one single function using objdump?
... as the simplest approach. You can even do it as a one-liner, like:
gdb -batch -ex 'file /bin/ls' -ex 'disassemble main'
share
|
improve this answer
|
follow
...
Revert changes to a file in a commit
..., you want to revert changes in 1 file (badfile.txt) in commit aaa222:
aaa333 Good commit
aaa222 Problem commit containing badfile.txt
aaa111 Base commit
Rebase on the base commit, amend the problem commit, & continue.
1) Start interactive rebase:
git rebase -i aaa111
2) Mark the problem ...
How to get certain commit from GitHub project
...11 (HEAD -> master, origin/master, origin/HEAD)
hash222 last commit
hash333 I want this one
hash444 did something
....
If you want last commit, you can use git checkout master^. The ^ gives you the commit before the master. So hash222.
If you want the n-th last commit, you can use git checkout...
How can I read command line parameters from an R script?
....0.2\bin\RScript.exe"
%R_Script% exmpl.R 2010-01-28 example 100 > exmpl.batch 2>&1
Alternatively, using Rterm.exe:
set R_TERM="C:\Program Files\R-3.0.2\bin\i386\Rterm.exe"
%R_TERM% --no-restore --no-save --args 2010-01-28 example 100 < exmpl.R > exmpl.batch 2>&1
exmpl.R:
...
How to get folder path from file path with CMD
...om the "for /?" command on the prompt. Hope it helps.
Related
Top 10 DOS Batch tips (Yes, DOS Batch...) shows batchparams.bat (link to source as a gist):
C:\Temp>batchparams.bat c:\windows\notepad.exe
%~1 = c:\windows\notepad.exe
%~f1 = c:\WINDOWS\NOTEPAD.EXE
%~d1 = ...