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Check to see if python script is running
... open() over file() as explained here: docs.python.org/2/library/functions.html#file (And yes, if you used python back around 2.2 the official advice was the opposite. Apparently they changed their minds.)
– jpk
Aug 16 '15 at 5:50
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Create table in SQLite only if it doesn't exist already
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From http://www.sqlite.org/lang_createtable.html:
CREATE TABLE IF NOT EXISTS some_table (id INTEGER PRIMARY KEY AUTOINCREMENT, ...);
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Get size of all tables in database
...ile by using an utility like NirSoft SysExporter: nirsoft.net/utils/sysexp.html
– Max
May 28 at 15:44
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Draw text in OpenGL ES
...xtView instance to render all texts you need. This way you also get simple HTML formatting for free.
– Gena Batsyan
Sep 14 '17 at 18:42
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MVC Vs n-tier architecture
... of the two: http://allthingscs.blogspot.com/2011/03/mvc-vs-3-tier-pattern.html
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转：postfix安装Q&A - 更多技术 - 清泛网 - 专注C/C++及内核技术
...postfix（地址在这里http://www.extmail.org/forum/archive/2/0510/563.html）。现在把我安装过程中遇到的问题及解决方法提供给大家，以方便新手。高手就不要看了
说明一下：Q代表安装过程中遇到的问题，或者是日志中出现的现象。A：...
how to override left:0 using CSS or Jquery?
... @Antonio: This would actually be setting an invalid "left" html attribute like <div left="0"> rather than changing css. While Jan's comment still stands (i.e. no need for JS), it could be done with $(".elem").css("left", ""); or something.
– o.v.
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What's the difference between := and = in Makefile?
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From http://www.gnu.org/software/make/manual/make.html#Flavors:
= defines a recursively-expanded variable. := defines a simply-expanded variable.
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PostgreSQL: Modify OWNER on all tables simultaneously in PostgreSQL
...ed by the old role (See: postgresql.org/docs/9.3/static/sql-reassign-owned.html). So if you only want to change the ownership of a single database, beware!
– kitsune
Oct 31 '14 at 14:24
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What are all the uses of an underscore in Scala?
... Maybe you miss this one. vertx.newHttpServer.websocketHandler(_.writeXml(html))
– angelokh
Aug 31 '13 at 6:05
@angel...