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Elegant setup of Python logging in Django
...someutils.getLogger(__name__) where someutils.getLogger returns the logger from logging.getLogger with a null_handler already added?
– 7yl4r
Oct 11 '16 at 5:12
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Is gcc's __attribute__((packed)) / #pragma pack unsafe?
...address as well as unaligned pointer
I've just built that version of gcc from source. For the above program, it produces these diagnostics:
c.c: In function ‘main’:
c.c:10:15: warning: taking address of packed member of ‘struct foo’ may result in an unaligned pointer value [-Waddress-of-...
如何选择机器学习算法 - 大数据 & AI - 清泛网移动版 - 专注C/C++及内核技术
...aking sure to try different parameters within each algorithm as well), and select the best one by cross-validation. But if you’re simply looking for a “good enough” algorithm for your problem, or a place to start, here are some general guidelines I’ve found to work well over the year...
成功熬了四年还没死？一个IT屌丝创业者的深刻反思 - 资讯 - 清泛网 - 专注C...
...升级为Nginx，在Mac上装Ubuntu，Ubuntu里再装个虚拟机去跑Mac OS……
IT青年们也喜欢升级自己的人生，从程序员升级到项目经理，再升级到技术总监或产品总监，再升级到合伙人……
在不断追求升级的过程中，所面临的一个很...
“Width equals height” constraint in Interface Builder
...click and drag from a view and release while the pointer is over the view. Select "Aspect Ratio". It will create a constraint where the first and second item is the view.
Before Xcode 5.1
You can't because the width/height editor lacks the fields to relate to another property or set the ratio:
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Enable 'xp_cmdshell' SQL Server
...gure calls:
declare @prevAdvancedOptions int
declare @prevXpCmdshell int
select @prevAdvancedOptions = cast(value_in_use as int) from sys.configurations where name = 'show advanced options'
select @prevXpCmdshell = cast(value_in_use as int) from sys.configurations where name = 'xp_cmdshell'
if (@...
400 BAD request HTTP error code meaning?
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Selecting a HTTP response code is quite an easy task and can be described by simple rules. The only tricky part which is often forgotten is paragraph 6.5 from RFC 7231:
Except when responding to a HEAD request, the server...
Can't choose class as main class in IntelliJ
...
Select the folder containing the package tree of these classes, right-click and choose "Mark Directory as -> Source Root"
share
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How do I add more members to my ENUM-type column in MySQL?
... do not appear in your ENUM. What is the output of the following command?
SELECT DISTINCT country FROM carmake;
ANOTHER EDIT: What is the output of the following command?
SHOW VARIABLES LIKE 'sql_mode';
Is it STRICT_TRANS_TABLES or STRICT_ALL_TABLES? That could lead to an error, rather than the ...
Understanding keystore, certificates and alias
...d Application Package option of the Eclipse Android tool, you are asked to select a keystore first, and then asked to select a single alias/entry/pair from that keystore. After providing the passwords for both the keystore and the chosen alias, the app is signed and the public key (the certificate) ...