大约有 9,000 项符合查询结果（耗时：0.0372秒） [XML]
Uploading base64 encoded Image to Amazon S3 via Node.js
...le
buf = Buffer.from(req.body.imageBinary.replace(/^data:image\/\w+;base64,/, ""),'base64')
var data = {
Key: req.body.userId,
Body: buf,
ContentEncoding: 'base64',
ContentType: 'image/jpeg'
};
s3Bucket.putObject(data, function(err, data){
if (err) {
console....
What is a “surrogate pair” in Java?
...ings of Unicode text. In UTF-16, 16-bit (two-byte) code units are used. Since 16 bits can only contain the range of characters from 0x0 to 0xFFFF, some additional complexity is used to store values above this range (0x10000 to 0x10FFFF). This is done using pairs of code units known as surrogates.
T...
What is the list of possible values for navigator.platform as of today? [closed]
...ning a browser compiled for 16-bit, even though the user is on a 32-bit or 64-bit Windows machine.
Of course W3Schools lists the old definition (I'm not even gonna link to them). W3 and MDN have agreed on a different definition though:
navigator.platform represents the platform on which the browser...
Embedding Base64 Images
Purely out of curiosity, which browsers does Base64 image embedding work in? What I'm referring to is this .
3 Answers
...
站长投放广告绝对不做的事:Google Adsense和百度联盟广告违规分析 - 更多技...
...大小，将搜索结果或推广内容伪装成为论坛帖子、新闻、下载链接等正文内容，也就是所谓的“与正文混排”。当然并不是说不允许你将广告放在文章内页当中，百度对于这种投放广告的行为作了严格的规定：
1.禁止在违规的...
How do I execute inserts and updates in an Alembic upgrade script?
...tion.
"""create teams table
Revision ID: 169ad57156f0
Revises: 29b4c2bfce6d
Create Date: 2014-06-25 09:00:06.784170
"""
revision = '169ad57156f0'
down_revision = '29b4c2bfce6d'
from alembic import op
import sqlalchemy as sa
from sqlalchemy import orm
from sqlalchemy.ext.declarative import decl...
Can a Windows batch file determine its own file name?
... On Win2012, %cd% will return the Current Directory of the process that called the batch file. So, if you are at a prompt in D:\dir1 and enter Y:\foo\bar.bat, if bar.bat has @echo %cd% then it will output D:\dir1.
– Preacher
Jun 28 '18 at 21:56
...
Secure random token in Node.js
...thod crypto.randomBytes that generates a random Buffer. However, the base64 encoding in node is not url-safe, it includes / and + instead of - and _ . Therefore, the easiest way to generate such token I've found is
...
Convert an integer to a float number
How do I convert an integer value to float64 type?
4 Answers
4
...
Maximum Java heap size of a 32-bit JVM on a 64-bit OS
... limit you should strongly consider starting a parallel track validating a 64-bit JVM for your production environment so you have that ready for when the 32-bit environment breaks down. Otherwise you will have to do that work under pressure, which is never nice.
Edit 2014-05-15: Oracle FAQ:
Th...