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Relative paths in Python
..., you want to do something like this:
import os
dirname = os.path.dirname(__file__)
filename = os.path.join(dirname, 'relative/path/to/file/you/want')
This will give you the absolute path to the file you're looking for. Note that if you're using setuptools, you should probably use its package re...
this.setState isn't merging states as I would expect
...
@EdwardD'Souza It's the lodash library. It's commonly invoked as an underscore, same way jQuery is commonly invoked as a dollarsign. (So, it's _.extend().)
– mjk
May 15 '17 at 3:33
...
Tainted canvases may not be exported
...lt;video id="video_source" crossorigin="anonymous">
<source src="http://crossdomain.example.com/myfile.mp4">
</video>
Ensure Access-Control-Allow-Origin header is set in the video source response (proper setup of crossdomain.example.com)
Set the video tag to have crossorigin="a...
Storing integer values as constants in Enum manner in java [duplicate]
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I found this to be helpful:
http://dan.clarke.name/2011/07/enum-in-java-with-int-conversion/
public enum Difficulty
{
EASY(0),
MEDIUM(1),
HARD(2);
/**
* Value for this difficulty
*/
public final int Value;
private Diff...
iOS开发调试技巧总结 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...(format,...)do{\
fprintf(stderr,"%s\n",\
[[[NSStringstringWithUTF8String:__FILE__]lastPathComponent]UTF8String],\
__LINE__,__func__);\
(NSLog)((format),##__VA_ARGS__);\
fprintf(stderr,"-------\n");\
}while(0)
@interfaceViewController
@end
@implementationViewController
-(void)viewDi...
Why does volatile exist?
...
volatile is needed if you are reading from a spot in memory that, say, a completely separate process/device/whatever may write to.
I used to work with dual-port ram in a multiprocessor system in straight C. We used a hardware managed 16 bit value as a semaphore to know when the other guy was done...
Alarm Manager Example
...<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.alarmexample" >
<uses-permission android:name="android.permission.VIBRATE" />
<application
android:allowBackup="true"...
Was PreferenceFragment intentionally excluded from the compatibility package?
...sharedprefs manually...ugh.
EDIT:
After trying and looking at the code at http://grepcode.com/file/repository.grepcode.com/java/ext/com.google.android/android/4.0.1_r1/android/preference/PreferenceFragment.java?av=h -- creating my own PreferenceFragment isn't going to happen. It appears the libera...
how to show progress bar(circle) in an activity having a listview before loading the listview with d
...
You can do this easier.
Source: http://www.tutorialspoint.com/android/android_loading_spinner.htm
It helped me.
Layout:
<ProgressBar
android:id="@+id/progressBar1"
style="?android:attr/progressBarStyleLarge"
android:layout_width="wrap_content"...
What does -> mean in Python function definitions?
...
And the information is available as a .__annotations__ attribute.
– Martijn Pieters♦
Jan 17 '13 at 13:06
9
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