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How to determine SSL cert expiration date from a PEM encoded certificate?
...
If you just want to know whether the certificate has expired (or will do so within the next N seconds), the -checkend <seconds> option to openssl x509 will tell you:
if openssl x509 -checkend 86400 -noout -in file.pem
then
echo "Certific...
Streaming via RTSP or RTP in HTML5
... the first method in chrome and got GET rtp://239.255.0.1:6970 net::ERR_UNKNOWN_URL_SCHEME. It seems that only HTTP[S] schemes are allowed on video elements.
– Yan Foto
Jul 21 '15 at 10:10
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Case-insensitive search in Rails model
...ot's comment does not apply to strings from user input. "#$$" is a little-known shortcut for escaping global variables with Ruby string interpolation. It's equivalent to "#{$$}". But string interpolation doesn't happen to user-input strings. Try these in Irb to see the difference: "$##" and '$##'. T...
Subtract days from a DateTime
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DateTime dateForButton = DateTime.Now.AddDays(-1);
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How can I enable or disable the GPS programmatically on Android?
I know that the question about turning on/off GPS programatically on android has been discussed many times , and the answer is always the same:
...
Unit Testing bash scripts
...rtEquals works fine, but I think I'm just going to have to roll my own for now.
– labyrinth
Jul 7 '14 at 17:28
@labyri...
Installing Java on OS X 10.9 (Mavericks)
...ary/Internet Plug-Ins/JavaAppletPlugin.plugin/Contents/Home"
java -version now gives you java version "1.7.0_45"
That's the cleanest way I found to install the latest JRE.
You can add the export JAVA_HOME line in your .bashrc to have java permanently in your Terminal:
echo export JAVA_HOME=\"/Li...
How to keep keys/values in same order as declared?
...elevates this implementation detail to a language specification, so it is now mandatory that dict preserves order in all Python implementations compatible with that version or newer. See the pronouncement by the BDFL. As of Python 3.8, dictionaries also support iteration in reverse.
You may still w...
How many and which are the uses of “const” in C++?
...ect remain the same. Once one of the object changes data, you however need now two versions: One for the original, and one for the copy. That is, you copy on a write to either object, so that they now both have their own version.
Using code:
int main() {
string const a = "1234";
string co...
Reading a huge .csv file
...opwhile(lambda r: r[3] != criterion, datareader))
return
You can now loop over getstuff() directly. Do the same in getdata():
def getdata(filename, criteria):
for criterion in criteria:
for row in getstuff(filename, criterion):
yield row
Now loop directly over ge...