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Convert boolean to int in Java
...00 random Boolean values and this method was consistently faster than that based on the ternary operator. It shaved off about 10ms.
– Mapsy
Oct 24 '14 at 13:14
3
...
Selenium: FirefoxProfile exception Can't load the profile
...sion 30. Here is the process:
#Download version 30 for Linux (This is the 64 bit)
wget http://ftp.mozilla.org/pub/mozilla.org/firefox/releases/30.0/linux-x86_64/en-US/firefox-30.0.tar.bz2
tar -xjvf firefox-30.0.tar.bz2
#Remove the old version
sudo rm -rf /opt/firefox*
sudo mv firefox /opt/firefox3...
How to get a list of repositories apt-get is checking? [closed]
...realised what the GET urls are that it spits out.
Edit: The following awk-based expression could be used to generate a sources.list:
cat /tmp/apt-update.txt | awk '/http/ { gsub("/", " ", $3); gsub("^\s\*$", "main", $3); printf("deb "); if($4 ~ "^[a-z0-9]$") printf("[arch=" $4 "] "); print($2 " "...
How do I load a file from resource folder?
...ere is one quick solution with the use of Guava:
import com.google.common.base.Charsets;
import com.google.common.io.Resources;
public String readResource(final String fileName, Charset charset) throws IOException {
return Resources.toString(Resources.getResource(fileName), charset);
}
U...
Changing password with Oracle SQL Developer
...s very helpful :-) with it I found: oracle.com/technetwork/topics/linuxx86-64soft-092277.html which may go stale. To google it again use goo.gl/kU5ZdM
– Frobbit
Apr 18 '14 at 18:59
...
Pandas groupby: How to get a union of strings
... 1 0.749065 This
1 2 0.301084 is
2 3 0.463468 a
3 4 0.643961 random
4 1 0.866521 string
5 2 0.120737 !
In [6]: df.dtypes
Out[6]:
A int64
B float64
C object
dtype: object
When you apply your own function, there is not automatic exclusions of non-numeri...
When should you not use virtual destructors?
...
Also add: no intention to delete an instance via a base class pointer.
– Adam Rosenfield
Nov 19 '08 at 15:24
9
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How to parse a string to an int in C++?
...still a couple of other problems.
What if the number in the string is not base 10? We can try to accommodate other bases by setting the stream to the correct mode (e.g. ss << std::hex) before trying the conversion. But this means the caller must know a priori what base the number is -- and ho...
Measure elapsed time in Swift
...our NSDate code entirely: it's totally unreliable to use NSDate: NSDate is based on system clock, which can change at any time due to many different reasons, such as network time sync (NTP) updating the clock (happens often to adjust for drift), DST adjustments, leap seconds, and user manual adjustm...
What is an example of the Liskov Substitution Principle?
...havior.
Imagine you had SetWidth and SetHeight methods on your Rectangle base class; this seems perfectly logical. However if your Rectangle reference pointed to a Square, then SetWidth and SetHeight doesn't make sense because setting one would change the other to match it. In this case Square fai...