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How to read a large file line by line?
...lso, use rtrim($file->fgets()) to strip trailing newlines for each line string that is read if you don't want them.
– racl101
Nov 22 '17 at 23:32
...
Implement Stack using Two Queues
...(q2.remove());
}
}
}
public static void main(String[] args) {
StackImplUsingQueues s1 = new StackImplUsingQueues();
// Stack s1 = new Stack();
s1.push(1);
s1.push(2);
s1.push(3);
s1.push(4);
s1.push(5);
...
Reasons for using the set.seed function
...set the seed (or choose a seed to pass into set.seed) based on a character string. For example you could have students use their name as the seed then each student has a unique dataset but the instructor can also create the same datasets for grading.
– Greg Snow
...
Why are interface variables static and final by default?
... int x=66;
}
public class D implements A,B {
public static void main(String[] a){
System.out.println(x); // which x?
}
}
Here is the solution.
System.out.println(A.x); // done
I think it is the one reason why interface variable are static.
Don't declare variables inside Inter...
How do I close a single buffer (out of many) in Vim?
...I would type the following:
:bd txt <Tab>
Note that the matching string does not have to be at the start of the file name.
The above displays the list of file names that match 'txt' at the bottom of the screen and keeps the :bd command I initially typed untouched, ready to be completed.
...
Global Git ignore
...gnore. Ensure that the value does not contain the unexpanded %USERPROFILE% string.
Important: The above commands will only set the location of the ignore file that git will use. The file has to still be manually created in that location and populated with the ignore list. (from muruge's comment)
You...
Difference between two lists
...omparer, if the values being compared are of base data types, such as int, string, decimal etc.
Otherwise the comparison will be made by object address, which is probably not what you want... In that case, make your custom objects implement IComparable (or implement a custom IEqualityComparer and p...
How to prevent blank xmlns attributes in output from .NET's XmlDocument?
...{
this.currentNs = ns;
}
internal XElement CreateXElement(String name, params object[] content)
{
return new XElement(currentNs + name, content);
}
}
share
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improv...
Is there a Python function to determine which quarter of the year a date is in?
...le of a function that gets a datetime.datetime object and returns a unique string for each quarter:
from datetime import datetime, timedelta
def get_quarter(d):
return "Q%d_%d" % (math.ceil(d.month/3), d.year)
d = datetime.now()
print(d.strftime("%Y-%m-%d"), get_q(d))
d2 = d - timedelta(90)
...
Allowed memory size of 33554432 bytes exhausted (tried to allocate 43148176 bytes) in php
...gram in PHP in a way that consumes memory faster than you realise. Copying strings, arrays and objects instead of using references will do it, though PHP 5 is supposed to do this more automatically than in PHP 4. But dealing with your data set in entirety over several steps is also wasteful compared...