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What does 'const static' mean in C and C++?
...
The "special section" is known as the data segment, which it shares with all the other global variables, such as explicit "strings" and global arrays. This is opposing to the code segment.
– spoulson
Oct 7 '08 a...
How to collapse all methods in Xcode?
...apshot:
Code folding was disabled in Xcode 9 beta 1, which is working now, in Xcode 9 Beta5 according to beta release note: Resolved in Xcode 9 beta 5 – IDE
Here is how:
Press and hold ⌘ (command) button in keyboard and move/hover mouse cursor on any (start or end) braces. It will automa...
Can I mix MySQL APIs in PHP?
...with these different APIs? Am I the ignorant one here? This being for the "now deleted" question stackoverflow.com/q/34209127 only viewable by 10K+ members should anyone wonder. This in relation to $stmt3->execute(array('classID' => $_POST['class'],'studentID' => mysql_real_escape_string($s...
How to create cron job using PHP?
I'm new to using cron job. I don't even know how to write it. I have tried to search from internet, but I still don't understand it well. I want to create a cron job that will execute my code every minute. I'm using PHP to create it. It is not working.
...
Any tips on how to organize Eclipse environment on multiple monitors?
... the IDE to both monitors (functionality even Windows 7 still lacks to my knowledge, please correct me if I am wrong) and then split the source section in half, manually making the split align with the monitor split. The split matching the split in monitors would break whenever a section within the ...
What does the `#` operator mean in Scala?
...le example:
class A {
class B
def f(b: B) = println("Got my B!")
}
Now let's try something with it:
scala> val a1 = new A
a1: A = A@2fa8ecf4
scala> val a2 = new A
a2: A = A@4bed4c8
scala> a2.f(new a1.B)
<console>:11: error: type mismatch;
found : a1.B
required: a2.B
...
What are the “standard unambiguous date” formats for string-to-date conversion in R?
...here a better solution than needing to specify the format?
Yes, there is now (ie in late 2016), thanks to anytime::anydate from the anytime package.
See the following for some examples from above:
R> anydate(c("01 Jan 2000", "01/01/2000", "2015/10/10"))
[1] "2000-01-01" "2000-01-01" "2015-10...
python: Change the scripts working directory to the script's own directory
... into whatever directory your Python script is located, even if you don't know what directory that will be when you're writing your script. To do this, you can use the os.path functions:
import os
abspath = os.path.abspath(__file__)
dname = os.path.dirname(abspath)
os.chdir(dname)
This takes th...
How to migrate GIT repository from one server to a new one
...tory: Simply login to the new server, cd to the parent directory where you now want to hold the repository, and use rsync to copy from the old server:
new.server> rsync -a -v -e ssh user@old.server.com:path/to/repository.git .
Make clients point to the new repository: Now on each client using t...
how to provide a swap function for my class?
...dummy
void swap(Bar& lhs, Bar& rhs) {
// ...
}
}
If swap is now used as shown in 1), your function will be found. Also, you may make that function a friend if you absolutely need to, or provide a member swap that is called by the free function:
// version 1
class Bar{
public:
frie...