大约有 49,000 项符合查询结果(耗时:0.2063秒) [XML]
Android: java.lang.SecurityException: Permission Denial: start Intent
...
You have to add android:exported="true" in the manifest file in the activity you are trying to start.
From the android:exported documentation:
android:exported
Whether or not the activity can be launched by components of other app...
Change the URL in the browser without loading the new page using JavaScript
...);
link.addEventListener('click', change_my_url, false);
</script>
and a href:
<a href="#" id='click'>Click to change url to bar.html</a>
If you want to change the URL without adding an entry to the back button list, use history.replaceState instead.
...
How to run a PowerShell script
...
Launch Windows PowerShell, and wait a moment for the PS command prompt to appear
Navigate to the directory where the script lives
PS> cd C:\my_path\yada_yada\ (enter)
Execute the script:
PS> .\run_import_script.ps1 (enter)
What am I missing...
adding header to python requests module
...ith your headers (key: value pairs where the key is the name of the header and the value is, well, the value of the pair) and pass that dict to the headers parameter on the .get or .post method.
So more specific to your question:
headers = {'foobar': 'raboof'}
requests.get('http://himom.com', head...
Saving vim macros
...copy/paste registers so you can paste it as normal with the "xp or "xP commands in normal mode.
To save it you open up .vimrc and paste the contents, then the register will be around the next time you start vim.
The format is something like:
let @q = 'macro contents'
Be careful of quotes, though...
Measuring text height to be drawn on Canvas ( Android )
...it now is by using Paint's measureText() to get the width, then by trial and error finding a value to get an approximate height. I've also been messing around with FontMetrics , but all these seem like approximate methods that suck.
...
Backporting Python 3 open(encoding=“utf-8”) to Python 2
... an encoding parameter in Python 2:
If you only need to support Python 2.6 and 2.7 you can use io.open instead of open. io is the new io subsystem for Python 3, and it exists in Python 2,6 ans 2.7 as well. Please be aware that in Python 2.6 (as well as 3.0) it's implemented purely in python and very...
How do I instantiate a Queue object in java?
...on's is more clear. I will +1 this if you update it to mention concurrency and get rid of the code for anonymous classes... I think it makes the answer more confusing for someone that wants to know what to do because they almost surely don't want to do that. (Even if they wanted their own class, the...
What is hashCode used for? Is it unique?
...an item? For example I want to identify a picture or a song in the device, and check it whereabout. This could be done if the hashcode given for specific items is unique.
...
Why is address zero used for the null pointer?
...ll pointer in C source while represented differently at runtime. The C++ standard has a note that makes clear that converting "an integral constant expression with value zero always yields a null pointer, but converting other expressions that happen to have value zero need not yield a null pointer"....
