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Difference between Hive internal tables and external tables?
...use lists of partitions without going to the file-system and finding them, etc). These sorts of things are the 'metadata'.
When you drop an internal table, it drops the data, and it also drops the metadata.
When you drop an external table, it only drops the meta data. That means hive is ignorant o...
What does AngularJS do better than jQuery? [closed]
...ts data on the page,
and hence, css properties like color, display/hide, etc changes dont
affect the model.
I can see your point here about "simple" DOM manipulation being cleaner, but only rarely and it would have to be really "simple". I think DOM manipulation is one the areas, just like dat...
How do I prevent a Gateway Timeout with FastCGI on Nginx
...
If it helps, mine was at /etc/nginx/ at Media Temple's DV system.
– jeffkee
Aug 2 '12 at 21:37
...
Ruby on Rails: how do I sort with two columns using ActiveRecord?
...ormats, all valid):
Model.order(foo: :asc).order(:bar => :desc).order(:etc)
Maybe it's more verbose, but personally I find it easier to manage.
SQL gets produced in one step only:
SELECT "models".* FROM "models" ORDER BY "models"."etc" ASC, "models"."bar" DESC, "models"."foo" ASC
Thusly, fo...
How to get english language word database? [closed]
...lity to download their database in a lot of formats - CSV, MySQL Database, etc.. and even have APIs you can use through .Net, Java etc... This is the download page - wordnet.princeton.edu/wordnet/download
– user266803
Feb 6 '10 at 16:41
...
How to fully delete a git repository created with init?
...absolutely sure that you're in the right place before running the command. etc., etc.
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adito-gateway -华为云免费SSL VPN解决方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...录到堡垒机了
最精简后运行的命令记录
1 vi /etc/hosts
2 vi /etc/sysconfig/network
3 vi /etc/sysconfig/network-scripts/ifcfg-eth0 t
4 reboot
5 cd /mnt/
6 ls
7 unzip adito-0.9.1-bin.zip
8 unzip apache-ant-1.9.6-bin.zip
9 tar ...
Make var_dump look pretty
...her solutions. It is extremely simple and requires no extensions, includes etc and is what I prefer. It's very easy and very fast.
First just json_encode the variable in question:
echo json_encode($theResult);
Copy the result you get into the JSON Editor at http://jsoneditoronline.org/ just copy...
Why use finally in C#?
...any time you use unmanaged code requests like stream readers, db requests, etc; and you want to catch the exception then use try catch finally and close the stream, data reader, etc. in the finally, if you don't when it errors the connection doesn't get closed, this is really bad with db requests
...
Batch script loop
...this:
for /l %x in (1, 1, 100) do (
echo %x
copy %x.txt z:\whatever\etc
)
or in a batch file
for /l %%x in (1, 1, 100) do (
echo %%x
copy %%x.txt z:\whatever\etc
)
Key:
/l denotes that the for command will operate in a numerical fashion, rather than operating on a set of files
%x i...