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How do I encode and decode a base64 string?
....GetBytes(text)).TrimEnd('=').Replace('+', '-')
.Replace('/', '_');
}
public static string Decode(string text)
{
text = text.Replace('_', '/').Replace('-', '+');
switch (text.Length % 4)
{
case 2:
text += "==";
...
How to convert std::string to lower case?
...thm/string.hpp>
std::string str = "HELLO, WORLD!";
boost::algorithm::to_lower(str); // modifies str
Or, for non-in-place:
#include <boost/algorithm/string.hpp>
const std::string str = "HELLO, WORLD!";
const std::string lower_str = boost::algorithm::to_lower_copy(str);
...
What is the best way to unit test Objective-C code?
...st Objective-C code? I would like a framework that integrates nicely with Apple Xcode.
17 Answers
...
What does “WARN Could not determine content-length of response body.” mean and how to I get rid of i
...that @Scott Lowe already said this above.)
– fearless_fool
Dec 26 '11 at 19:33
280
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How to resize an image with OpenCV2.0 and Python2.6
...ll resize the image to have 100 cols (width) and 50 rows (height):
resized_image = cv2.resize(image, (100, 50))
Another option is to use scipy module, by using:
small = scipy.misc.imresize(image, 0.5)
There are obviously more options you can read in the documentation of those functions (cv2.r...
Adding 'serial' to existing column in Postgres
... b text);
INSERT INTO foo (a, b) SELECT i, 'foo ' || i::text FROM generate_series(1, 5) i;
INSERT INTO bar (b) SELECT 'bar ' || i::text FROM generate_series(1, 5) i;
-- blocks of commands to turn foo into bar
CREATE SEQUENCE foo_a_seq;
ALTER TABLE foo ALTER COLUMN a SET DEFAULT nextval('foo_a_seq'...
What is simplest way to read a file into String? [duplicate]
...:
new String(Files.readAllBytes(Paths.get(filePath)), StandardCharsets.UTF_8);
Where filePath is a String representing the file you want to load.
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text-overflow:ellipsis in Firefox 4? (and FF5)
...
I must say I'm a little disappointed that the only browser specific hack in my application is going to be to support FF4. The above javascript solution doesn't account for variable width fonts. Here is a more verbose script that accounts for this. The ...
Why do I get “'property cannot be assigned” when sending an SMTP email?
...
First go to https://myaccount.google.com/lesssecureapps and make Allow less secure apps true.
Then use the below code. This below code will work only if your from email address is from gmail.
static void SendEmail()
{
string mailBodyhtml =
"<p>...
How to find keys of a hash?
...
You could use Underscore.js, which is a Javascript utility library.
_.keys({one : 1, two : 2, three : 3});
// => ["one", "two", "three"]
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