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WiX tricks and tips
...INSTALLLOCATION">
<RegistrySearch Id="RegistrySearch" Type="raw" Root="HKLM" Win64="$(var.Win64)"
Key="Software\Company\Product" Name="InstallLocation" />
</Property>
Note: WiX guru Rob Mensching has posted an excellent blog entry which goes into more detail and f...
Cron and virtualenv
... SHELL environment variable to be /bin/bash:
SHELL=/bin/bash
*/10 * * * * root source /path/to/virtualenv/bin/activate && /path/to/build/manage.py some_command > /dev/null
It's tricky to spot why this fails as /var/log/syslog doesn't log the error details. Best to alias yourself to ro...
How can I remove a pytz timezone from a datetime object?
...Datetime.replace(tzinfo=None)
Why would you do this? One example is that mysql does not support timezones with its DATETIME type. So using ORM's like sqlalchemy will simply remove the timezone when you give it a datetime.datetime object to insert into the database. The solution is to convert your ...
TokuMX vs. MongoDB 性能对比 - 大数据 & AI - 清泛网 - 专注C/C++及内核技术
...占用也比MongoDB少10%左右)。这种思路不稀奇,5.x版本的MySQL,如果设定file_format为Barracuda,也可以直接对表做压缩,同时不影响外部操作;提高写入速度则值得一提,原来TokuMX的做法是使用 分形树索引(Fractal Tree Index) ,替代...
Run a string as a command within a Bash script
...g minus two parameters so I ended up with something like:
my_exe ()
{
mysql -sN -e "select $1 from heat.stack where heat.stack.name=\"$2\";"
}
This is something I use to monitor openstack heat stack creation. In this case I expect two conditions, an action 'CREATE' and a status 'COMPLETE' on ...
Is there a way to change the environment variables of another process in Unix?
...
Substantially, no. If you had sufficient privileges (root, or thereabouts) and poked around /dev/kmem (kernel memory), and you made changes to the process's environment, and if the process actually re-referenced the environment variable afterwards (that is, the process had not ...
How can I remove duplicate rows?
...
MySQL error with the first script 'You can't specify target table 'TableName' for update in FROM clause'
– D.Rosado
Jun 13 '12 at 10:54
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How to delete all the rows in a table using Eloquent?
... use Model::truncate() if you disable foreign_key_checks (I assume you use MySQL).
DB::statement("SET foreign_key_checks=0");
Model::truncate();
DB::statement("SET foreign_key_checks=1");
share
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How to work around the lack of transactions in MongoDB?
...chnology applied to Mongodb try github.com/Tokutek/mongo , if you need the mysql version maybe they added it to their standard version of Mysql that they usually provide with
– Giovanni Bitliner
Dec 8 '15 at 8:57
...
Sending POST data in Android
... "6 - response !empty...");
//
JSONObject jRoot = new JSONObject(response);
JSONObject d = jRoot.getJSONObject("d");
int ResultType = d.getInt("ResultType");
Log.e("ResultType", ResultType + "");
if (Re...