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Scalar vs. primitive data type - are they the same thing?
... typically contrasted with compounds, such as arrays, maps, sets, structs, etc. A scalar is a "single" value - integer, boolean, perhaps a string - while a compound is made up of multiple scalars (and possibly references to other compounds). "Scalar" is used in contexts where the relevant distinct...
程序员用数据思维教你如何追女生 - 杂谈 - 清泛网 - 专注C/C++及内核技术
...也不清楚对方到底喜欢什么。我们程序员也会遇到这样的问题，但是我们有办法。
程序员的需求分析技能是谈恋爱的必杀技。给你一个手机号码，你可以知道她的QQ，微信，微博，然后进行“大数据分析”，朋友圈里面喜欢发...
How does this site infecting script work?
...ged forms and reading $_POST and $_GET with replacing <> and http:// etc.
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How do I insert NULL values using PDO?
...nstance
$query = $db->prepare($sql);
//Works with INT, FLOAT, ETC.
$query->bindValue(':productId', !empty($productId) ? $productId : NULL, PDO::PARAM_INT);
//Works with strings.
$query->bindValue(':productName',!empty($productName) ? $productName : NULL, PDO::PA...
Doctrine - How to print out the real sql, not just the prepared statement?
...gt;getSql(); works
Edit:
to view all the mysql queries I use
sudo vim /etc/mysql/my.cnf
and add those 2 lines:
general_log = on
general_log_file = /tmp/mysql.log
and restart mysql
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谈谈创业公司技术的工作模式 - 资讯 - 清泛网 - 专注C/C++及内核技术
...、测试、运维不管做什么工作，都需要站在一定高度思考问题，既然创业就需要以创业的角度思考，这样对自己的职业发展有帮助，也可以做好产品。
在根据一个大需求技术总监和大家讨论，把模糊的东西逐步清晰化得到一个...
Best dynamic JavaScript/JQuery Grid [closed]
...ray, Ajax file and server-side processing (PHP, C#,
Perl, Ruby, AIR, Gears etc)
Scrolling options for table viewport
Fully internationalisable
jQuery UI ThemeRoller support
Rock solid - backed by a suite of 2600+ unit tests
Wide variety of plug-ins inc. TableTools, FixedColumns, KeyTable and
more
It...
How can I get the sha1 hash of a string in node.js?
... default. So sha1sum({}) === sha1sum({"foo":"bar"}) === sha1sum({"a":1}), etc.
– maerics
Jun 4 '15 at 21:40
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如何抓住痛点做出让用户尖叫的产品 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...，在用户第一的前提下，必须是从用户的角度去思考分析问题的。在做到这点的时候，最为忌讳的是产品经理以自我为中心，把自己当成了用户，把自己的需求当成是用户的需求。如果所做产品的目标用户人群涵盖了自己，那还...
What is the difference between Amazon S3 and Amazon EC2 instance?
...t;<-- this is required for running server services (php, apache, mySQL, etc). This can be ephemeral so you can lose your data with a reboot or persistent, you have to specify persistent.
S3 uses object storage - blob - Binary Large OBject file system like flat databases, store on the object leve...