大约有 2,000 项符合查询结果（耗时：0.0201秒） [XML]
Is it possible to make relative link to image in a markdown file in a gist?
...the problem in using
https://gist.github.com/user/605560c2961cb3025038/raw/b75d2...6e8/img.png
is that the b75d2...6e8 part varies per file (a quick experimentation confirms it is the git blob id). However you can drop that part resulting in a URL pointing to the latest version:
https://gist....
How to create id with AUTO_INCREMENT on Oracle?
...
SYS_GUID returns a GUID-- a globally unique ID. A SYS_GUID is a RAW(16). It does not generate an incrementing numeric value.
If you want to create an incrementing numeric key, you'll want to create a sequence.
CREATE SEQUENCE name_of_sequence
START WITH 1
INCREMENT BY 1
CACHE 1...
Creating a dynamic choice field
..._from_request(self.request)
for l in get_all_choices().filter(user=user_id):
admin = 'y' if l in self.core else 'n'
choice = (('%s_%s' % (l.name, admin)), ('%s' % l.name))
self.affiliated_choices.append(choice)
super(SupportForm, self).__init__(*ar...
Android encryption / decryption using AES [closed]
...)
You could use functions like these:
private static byte[] encrypt(byte[] raw, byte[] clear) throws Exception {
SecretKeySpec skeySpec = new SecretKeySpec(raw, "AES");
Cipher cipher = Cipher.getInstance("AES");
cipher.init(Cipher.ENCRYPT_MODE, skeySpec);
byte[] encrypted = cipher.do...
How to write LaTeX in IPython Notebook?
... Gotcha. The best solution for that right now would be to use 'raw' cells instead of markdown, and just type LaTeX as you would. Then use nbconvert to turn the ipynb to TeX (code, figures and all), and run latex to render that to PDF, etc. You don't get live-rendered TeX in the browser...
How to use sed to replace only the first occurrence in a file?
... Input: Output:
Apple Banana
Apple Apple
Orange Orange
Apple Apple
This is the simple script: Editor's note: works with GNU sed only.
sed '0,/Apple/{s/Apple/Banana/}' input_filename
The first two parameters 0 and /Apple/ are the range specifier....
Connecting to TCP Socket from browser using javascript
...ebsockets for this.
Currently no popular browser has implemented any such raw sockets api for javascript that lets you create and access raw sockets, but a draft for the implementation of raw sockets api in JavaScript is under-way. Have a look at these links:
http://www.w3.org/TR/raw-sockets/
htt...
Selector on background color of TextView
...gt;
<item android:state_pressed="true" android:drawable="@color/dim_orange_btn_pressed" />
<item android:state_focused="true" android:drawable="@color/dim_orange_btn_pressed" />
<item android:drawable="@android:color/white" />
</selector>
I added the android:dra...
How to delete all the rows in a table using Eloquent?
...rom my model using the whereIn method: $itemsAllContentIDs = Item::where('user_id', $userId)->pluck('item_content_id')->all(); ItemsContent::whereIn('id', $itemsAllContentIDs)->delete();
– Keith DC
Nov 3 '16 at 7:24
...
How can I see the raw SQL queries Django is running?
...
See the docs FAQ: "How can I see the raw SQL queries Django is running?"
django.db.connection.queries contains a list of the SQL queries:
from django.db import connection
print(connection.queries)
Querysets also have a query attribute containing the query to...