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Add primary key to existing table
... (SELECT TOP 1 COUNT(*) AS cnt FROM T_SYS_Language_Forms GROUP BY LANG_UID ORDER BY cnt DESC)
BEGIN
-- If no Primary key for this table
IF 0 =
(
SELECT COUNT(*) FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS
WHERE CONSTRAINT_...
How do I write JSON data to a file?
... codecs.getwriter('utf-8')(f), ensure_ascii=False)
The codecs.getwriter call is redundant in Python 3 but required for Python 2
Readability and size:
The use of ensure_ascii=False gives better readability and smaller size:
>>> json.dumps({'price': '€10'})
'{"price": "\\u20ac10"}'
&...
Why don't Java Generics support primitive types?
... tho. Hopefully it'll get fixed in java 10 (or so I heard) and also higher order functions. Don't quote me on that tho.
– Ced
Feb 23 '17 at 22:58
4
...
gdb fails with “Unable to find Mach task port for process-id” error
... to “Always Trust”.
You must quit “Keychain Access” application in order to use the certificate and restart “taskgated” service by killing the current running “taskgated” process. Alternatively you can restart your computer.
Finally you can sign gdb:
sudo codesign -s gdb-cert /usr/l...
What does |= (single pipe equal) and &=(single ampersand equal) mean
... b is equivalent to a = a & b except that a is evaluated only once
In order to remove the System bit without changing other bits, use
Folder.Attributes &= ~FileAttributes.System;
~ is bitwise negation. You will thus set all bits to 1 except the System bit. and-ing it with the mask will s...
The current branch is not configured for pull No value for key branch.master.merge found in configur
...ranch. I haven't found a way in that case not to do the manual editing in order to git pull, even with command line git.
After the edit is saved, right click on the git repo in your egit "Git Repositories" perspective, and choose properties, you will now see this section of keys has been created...
VS Addin插件基本开发入门 - C/C++ - 清泛网 - 专注C/C++及内核技术
...lic partial class MyUserControl : UserControl
{
private DTE2 _applicationObject;
/// <summary>
/// VS的DTE2对象
///
public DTE2 ApplicationObject { set { _applicationObject = value; } }
public MyUserControl()
{
...
未能从“const std::string”为“const std::_Tree &”推导 模板 参数 - C/...
未能从“const std::string”为“const std::_Tree &”推导 模板 参数参考：http: www tsingfun com html 2016 dev_0630 1876 html参考：https://www.tsingfun.com/it/cpp/1876.htmlstl 模板 参数
_block_type_is_valid(phead- nblockuse) - C/C++ - 清泛网 - 专注C/C++及内核技术
_block_type_is_valid(phead- nblockuse)出现这种错误的原因有多个，基本原因有四个,可以参见:SO。错误如下:比较常见的错误时，把多个对象的数组当做一个对象删除了，例如:void te...出现这种错误的原因有多个，基本原因有四个, 可以参...
MFC 日期时间控件CDateTimeCtrl自绘 - C/C++ - 清泛网 - 专注C/C++及内核技术
...效果：方法同ComboBox自绘（http: www.tsingfun.com html 2016 code_1110 100.html），采用图片拼接的方式，本例实现较基础仍有细节待...先看效果：
方法同ComboBox自绘（https://www.tsingfun.com/down/code/100.html），采用图片拼接的方式，本例实现...