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How do I save a UIImage to a file?
If I have a UIImage from an imagePicker, how can I save it to a subfolder in the documents directory?
9 Answers
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In C# check that filename is *possibly* valid (not that it exists) [duplicate]
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You can get a list of invalid characters from Path.GetInvalidPathChars and GetInvalidFileNameChars as discussed in this question.
As noted by jberger, there some other characters which are not included in the response from this method. For much more details of the ...
Java packages com and org
...org domain name, and hence most packages start with com. or org.. To quote from the Sun Code Conventions:
The prefix of a unique package name is always written in all-lowercase ASCII letters and should be one of the top-level domain names, currently com, edu, gov, mil, net, org, or one of the Engli...
How to send email attachments?
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Here's another:
import smtplib
from os.path import basename
from email.mime.application import MIMEApplication
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
from email.utils import COMMASPACE, formatdate
def send_mai...
AngularJS changes URLs to “unsafe:” in extension page
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Note the file protocol is different from the blob protocol: $compileProvider.aHrefSanitizationWhitelist(/^\s*(https?|file|blob|ftp|mailto|chrome-extension):/);
– Arnaud Leyder
Jan 9 '15 at 14:31
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How to convert a private key to an RSA private key?
Let me explain my question first. I bought a certificate from a CA and used the following format to generate the csr and the private key:
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What differences, if any, between C++03 and C++11 can be detected at run-time?
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I got an inspiration from What breaking changes are introduced in C++11?:
#define u8 "abc"
bool isCpp0x() {
const std::string s = u8"def"; // Previously "abcdef", now "def"
return s == "def";
}
This is based on the new string literals t...
What is the purpose of the EBP frame pointer register?
...sitive offsets.)
The idea that it is preventing a perfectly good register from being used in optimization raises the question: when and where is optimization actually worthwhile?
Optimization is only worthwhile in tight loops that 1) do not call functions, 2) where the program counter spends a sig...
Suppress/ print without b' prefix for bytes in Python 3
... the method.
The most obvious workaround is to manually slice off the b'' from the resulting repr():
>>> x = b'\x01\x02\x03\x04'
>>> print(repr(x))
b'\x01\x02\x03\x04'
>>> print(repr(x)[2:-1])
\x01\x02\x03\x04
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What are Bearer Tokens and token_type in OAuth 2?
...m trying to implement the Resource Owner & Password Credentials flow from the OAuth 2 spec. I'm having trouble understanding the token_type value that gets sent back with a valid response. In the spec all the examples show "token_type":"example" but says it should be
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