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What is the best algorithm for overriding GetHashCode?
... use it as:
public override int GetHashCode()
{
return Hashing.RSHash(_field1, _field2, _field3);
}
I didn't assess its performance, so any feedback is welcomed.
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...
Calling method using JavaScript prototype
... and then calling it from the overriden method, like so
MyClass.prototype._do_base = MyClass.prototype.do;
MyClass.prototype.do = function(){
if (this.name === 'something'){
//do something new
}else{
return this._do_base();
}
};
...
#ifdef replacement in the Swift language
...nd Linking in Xcode 8 Release note.
New build settings
New setting: SWIFT_ACTIVE_COMPILATION_CONDITIONS
“Active Compilation Conditions” is a new build setting for passing conditional compilation flags to the Swift compiler.
Previously, we had to declare your conditional compilation flags un...
Using PHP with Socket.io
...rue);
$elephant->init();
$elephant->send(
ElephantIOClient::TYPE_EVENT,
null,
null,
json_encode(array('name' => 'foo', 'args' => 'bar'))
);
$elephant->close();
echo 'tryin to send `bar` to the event `foo`';
socket io server
var io = require('socket.io').listen(800...
xtreme toolkit pro——CXTPReportControl控件教程 - C/C++ - 清泛网 - 专注C/C++及内核技术
...自定义控件，将该控件的class属性改为XTPReport，ID改为;IDC_REPORTCTRL_LIST。
（2）添加一个自定义变量：CXTPReportControl m_wndReportCtrl;
（3）将控件和变量联系起来，在对话框初始化函数OnInitDialog()中添加如下代码：
m_wndReportCtrlList.Sub...
Remove first element from $@ in bash [duplicate]
...
Use shift?
http://tldp.org/LDP/Bash-Beginners-Guide/html/sect_09_07.html
Basically, read $1 for the first argument before the loop (or $0 if what you're wanting to check is the script name), then use shift, then loop over the remaining $@.
...
How to make an app's background image repeat
...a hack to prevent ListViews from going black while scrolling.
drawable/app_background.xml:
<?xml version="1.0" encoding="utf-8"?>
<bitmap xmlns:android="http://schemas.android.com/apk/res/android"
android:src="@drawable/actual_pattern_image"
android:tileMode="repeat" /...
Simple argparse example wanted: 1 argument, 3 results
...ou started.
import argparse
parser = argparse.ArgumentParser()
parser.add_argument("a")
args = parser.parse_args()
if args.a == 'magic.name':
print 'You nailed it!'
But this positional argument is now required. If you leave it out when invoking this program, you'll get an error about missin...
How can I get a web site's favicon?
... looks like Google has a similar service now: google.com/s2/favicons?domain_url=stackoverflow.com
– hunter
May 8 '15 at 19:49
20
...
python pandas: apply a function with arguments to a series
...to pass extra arguments (see the new documentation). So now you can do:
my_series.apply(your_function, args=(2,3,4), extra_kw=1)
The positional arguments are added after the element of the series.
For older version of pandas:
The documentation explains this clearly. The apply method accepts a...