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Reducing memory usage of .NET applications?
...Datareader, loading the contents into a DataTable just to write it into an XML file. You can easily run into an OutOfMemoryException. OTOH, you could use an XmlTextWriter and scroll through the Datareader, emitting XmlNodes as you scroll through the database cursor.
That way, you only have the curre...
Why is early return slower than else?
...88136 which reduced modulo 32 is 8 so there's a collision. To resolve this Python calculates:
Starting with:
j = hash % 32
perturb = hash
Repeat this until we find a free slot:
j = (5*j) + 1 + perturb;
perturb >>= 5;
use j % 2**i as the next table index;
which gives it 17 to use as the ...
correct way to use super (argument passing)
So I was following Python's Super Considered Harmful , and went to test out his examples.
3 Answers
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How to escape text for regular expression in Java
... this appears to be the default way to do i18n in Spring Framework. I put XML tags, as placeholders, into the strings and I use replaceAll() to replace the XML tags with the values at runtime.
I ran into an issue where a user input a dollars-and-cents figure, with a dollar sign. replaceAll() chok...
How to remove focus without setting focus to another control?
...s();
in connection with the following parameters on the root view.
<?xml
android:focusable="true"
android:focusableInTouchMode="true"
android:descendantFocusability="beforeDescendants" />
https://developer.android.com/reference/android/view/ViewGroup#attr_android:descendantFoc...
Open firewall port on CentOS 7
... service file.
For example, you can create /etc/firewalld/services/foobar.xml:
<?xml version="1.0" encoding="utf-8"?>
<service>
<short>FooBar</short>
<description>
This option allows you to create FooBar connections between
your computer and mobile device....
How to access a dictionary element in a Django template?
...thanks @john ewart, your solution worked for me. I am newbie to django and python and can't figureout how to get the sql that ORM generated.
– Mohamed
Aug 14 '09 at 8:27
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django MultiValueDictKeyError error, how do I deal with it
...dded to that is the slow-down. I don't know the details of how it works in Python, but I would imagine an expensive stack-trace would be involved.
– Joe
May 5 '11 at 9:53
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MFC RadioButton用法详解 - C/C++ - 清泛网 - 专注C/C++及内核技术
...uttonInstanceDlg(CWnd* pParent = NULL); // 标准构造函数
// 对话框数据
enum { IDD = IDD_RADIOBUTTONINSTANCE_DIALOG };
protected:
virtual void DoDataExchange(CDataExchange* pDX); // DDX/DDV 支持
// 实现
protected:
HICON m_hIcon;
// 生成...
Method Resolution Order (MRO) in new-style classes?
In the book Python in a Nutshell (2nd Edition) there is an example which uses
old style classes to demonstrate how methods are resolved in classic resolution order and
how is it different with the new order.
...