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“unpacking” a tuple to call a matching function pointer
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This should now be the answer.
– Fureeish
Jun 27 '19 at 22:27
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show 2 more c...
How can I convert comma separated string into a List
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If you want to include some simple validation and skip over invalid values (instead of throwing an exception), here's something that uses TryParse:
string csv = "1,2,3,4,a,5";
int mos = 0;
var intList = csv.Split(',')
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App Inventor 2 BLE扩展源码分析 - WriteBytes vs WriteStrings 23字节硬编...
...写入路径
位于 BLEWriteOperation.write() 方法第678-690行：
if (mClass == String.class) {
byte[] str = ((String) data.get(0)).getBytes();
// 23字节硬限制！
final int len = Math.min(23, str.length + (nullTerminateStrings ? 1 : 0));
&n...
XMLHttpRequest status 0 (responseText is empty)
...r problems is that you are trying to do a cross-domain call and it fails.
If you're doing localhost development you can make cross-domain calls - I do it all the time.
For Firefox, you have to enable it in your config settings
signed.applets.codebase_principal_support = true
Then add something...
What are the main disadvantages of Java Server Faces 2.0?
... the relative steep learning curve when you don't have a solid background knowledge about basic Web Development (HTML/CSS/JS, server side versus client side, etc) and the basic Java Servlet API (request/response/session, forwarding/redirecting, etc), no serious disadvantages comes to mind. JSF in it...
How to percent-encode URL parameters in Python?
...e that changes to Python since this answer was published mean that this is now a legacy wrapper. From the Django 2.1 source code for django.utils.http:
A legacy compatibility wrapper to Python's urllib.parse.quote() function.
(was used for unicode handling on Python 2)
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Rake just one migration
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To expand on what Ryan says, if the table has been dropped from the database outside of Rails, rake db:migrate:up VERSION=my_version may do nothing, because the schema_migrations table still says it is has been run. In the same situation rake db:migrate:...
How to delete all the rows in a table using Eloquent?
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Nice. This works on Laravel 5 too if anyone else Googles themselves here in 2016.
– samiles
Mar 18 '16 at 9:47
14
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How do I delete all messages from a single queue using the CLI?
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If you have the management plugin already installed, you can downloaded it from http://rabbitserver:15672/cli/
– morloch
Jul 24 '15 at 8:13
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glob exclude pattern
...d Unix path expansion rules. There are only a few special characters: two different wild-cards, and character ranges are supported [from glob].
So you can exclude some files with patterns.
For example to exclude manifests files (files starting with _) with glob, you can use:
files = glob.glob(...