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Database development mistakes made by application developers [closed]
...ng appropriate indices
This is a relatively easy one but still it happens all the time. Foreign keys should have indexes on them. If you're using a field in a WHERE you should (probably) have an index on it. Such indexes should often cover multiple columns based on the queries you need to execut...
Warning the user/local/mysql/data directory is not owned by the mysql user
...restart.
Reference: https://coolestguidesontheplanet.com/get-apache-mysql-php-phpmyadmin-working-osx-10-10-yosemite/
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How do I protect Python code? [closed]
...ecutable is well-known, and the Python byte-codes are well understood.
Usually in cases like this, you have to make a tradeoff. How important is it really to protect the code? Are there real secrets in there (such as a key for symmetric encryption of bank transfers), or are you just being paranoi...
How do I prevent node.js from crashing? try-catch doesn't work
...
Other answers are really insane as you can read at Node's own documents at http://nodejs.org/docs/latest/api/process.html#process_event_uncaughtexception
If someone is using other stated answers read Node Docs:
Note that uncaughtException i...
How can prepared statements protect from SQL injection attacks?
... the query and the data are sent to the database server separately.
That's all.
The root of the SQL injection problem is in the mixing of the code and the data.
In fact, our SQL query is a legitimate program.
And we are creating such a program dynamically, adding some data on the fly. Thus, th...
诺奖得主谈“双创”:让鼓励创业成为一种文化 - 资讯 - 清泛网 - 专注C/C++...
...重要性。但是要实现“双创”还需要注意以下几个方面的问题:
一是在政策方面要鼓励“双创”。要实现“双创”这个目标,就要对微型企业或中小型企业实行减税,推出鼓励企业家创新精神的专项投资基金,推动互联网+的战...
How to force Chrome browser to reload .css file while debugging in Visual Studio?
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Such as src="/css/styles.css?v={random number/string}"
If you're using php or another server-side language, you can do this automatically with time(). So it would be styles.css?v=<?=time();?>
This way, the query string will be new every single time. Like I said, there are much more compli...
Laravel Schema onDelete set null
...el / framework / src / Illuminate / Database / Schema / Grammars / Grammar.php)
– Dirk Jan
Mar 23 at 14:47
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SQL selecting rows by most recent date
...ows by most recent date".
Modified from http://wiki.lessthandot.com/index.php/Returning_The_Maximum_Value_For_A_Row
SELECT t.chargeId, t.chargeType, t.serviceMonth FROM(
SELECT chargeId,MAX(serviceMonth) AS serviceMonth
FROM invoice
GROUP BY chargeId) x
JOIN invoice t ON x.charge...
vim, switching between files rapidly using vanilla Vim (no plugins)
...e closest equivalent ("closest", not "exact") to ST2's Ctrl+P is a plugin called, get ready… CtrlP. There are other similar plugins like Command-T or FuzzyFinder.
I use CtrlP and I love it but I wholeheartedly support your decision to go "plugin-free". It's not the easiest way to go but it will p...
