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How do I use Java to read from a file that is actively being written to?
...ing written so that I can do these pass/failure/correctness checks in real time.
9 Answers
...
std::string to float or double
...;
stream >> valor;
if (stream.fail()) {
std::runtime_error e(numberAsString);
throw e;
}
return valor;
}
Usage:
double number= StringToNumber<double>("0.6");
share...
HTML/CSS: Making two floating divs the same height
...(which isn't really that obvious from the picture). The two should at all times have the exact same height with a little line between them, as shown.
...
static const vs #define
...naor, You are right in general but small integers like 60 may actually sometimes be a sort of partial exception. Some instruction sets have the ability to encode integers or a subset of integers directly in the instruction stream. For example MIPs add immediate (cs.umd.edu/class/sum2003/cmsc311/Note...
How to set JAVA_HOME in Linux for all users
... and PATH directly in /etc/profile or ~/.bash_profile would not work. Each time I tried to check if JAVA_HOME was set, it would come up blank:
$ echo $JAVA_HOME
(<-- no output)
What I had to do was set up a script in /etc/profile.d/jdk_home.sh:
#!/bin/sh
export JAVA_HOME=/opt/ibm/java-x86...
How do you add CSS with Javascript?
...`
.qwebirc-qui .ircwindow div {
font-family: Georgia,Cambria,"Times New Roman",Times,serif;
margin: 26px auto 0 auto;
max-width: 650px;
}
.qwebirc-qui .lines {
font-size: 18px;
line-height: 1.58;
letter-spacing: -.004em;
}
.qwebir...
Making a div vertically scrollable using CSS
...or a parent div which i didn't want. I also didn't want to spend a ton of time dinking around with media queries. If you are using angular, you can use bootstraps tabset and it will do all of the hard work for you. You'll be able to scroll the inner content and it will be responsive. When you se...
Converting NSString to NSDate (and back again)
... // Enumerate matches.
var matchedDate: Date?
var matchedTimeZone: TimeZone?
detector.enumerateMatches(
in: dateString,
options: [],
range: NSRange(location: 0, length: dateString.utf16.count),
using:
{
...
Difference between two dates in MySQL
...
SELECT TIMEDIFF('2007-12-31 10:02:00','2007-12-30 12:01:01');
-- result: 22:00:59, the difference in HH:MM:SS format
SELECT TIMESTAMPDIFF(SECOND,'2007-12-30 12:01:01','2007-12-31 10:02:00');
-- result: 79259 the difference in se...
JSON datetime between Python and JavaScript
I want to send a datetime.datetime object in serialized form from Python using JSON and de-serialize in JavaScript using JSON. What is the best way to do this?
...