I want to display half rows of the table
MYSQL query
SELECT *
FROM STATION
LIMIT (SELECT COUNT(ID) FROM STATION)/2
I tried to perform a query like this but I am getting syntax error. What is this query wrong?
How can I perform this query?
here's the updated version of the code for being reviewed. Fixes:
"private" _cg function
functions definition as cg() {}
general clean-up
#!/bin/bash
# cd to the root of the current git directory
# If $PWD is submodule, will cd to the root of the top ancestor
# It requires to stay in the curre...
I am trying to resolve following problem. Please advice which part of the code can be improved.
Given a binary tree and a sum, determine if the tree has a root-to-leaf path such that adding up all the values along the path equals the given sum.
Example:
Given the below binary tree and sum = 22,
...
I was working on new function with Pandas DataFrame. It's meant to sort values by column name but exclude specific rows from sorting and return sorted dataframe with that has rows with preserved positions.
E.g. I have a DataFrame
Name marks
rank1 Tom 10
rank2 Jack 30
rank3 ...
This is a question about Vue, but it is quite generic enough that it doesn't strictly apply to only Vue.
If I have the following (pretend there were many more components that it could return, this example is simplified)
{
methods: {
componentToUse() {
if(this.conditionA === '...
Remote-Computer-File-Transfer
I have created a PowerShell script, , for remote computers file transfer, for computers that only support New-PSDrive cmdlet, and I would like someone to take look at my code and give me guidelines on what I am doing the wrong way and what I am doing right.
The Scrip...
I wrote a simple prime number program that checks if a number is prime or not using sieve of eratosthenes, I also wrote an optimized version that only generates the sieve_arr when the val exceeds the length of sieve_arr.
sieve.py
# sieve.py
from array import array
from math import sqrt
def siev...
I am attempting to write a Python program where I have to create a sorting algorithm without the assistance of the built-ins (like the sort() function). I used the def keyword to create the sorting_function() (the code bits in this paragraph will make more sense once you see my code) so all I hav...
Last week I was challenged in a technical interview with a code challenge about threads and efficiency.
The challenged required to create a service to detect whether an ID had been already seen or not.
The requirements were simple:
Return true or false if a given id was already seen or not
Dupli...
I am relatively new to java and I am trying to set up a class with non-trivial setters, but I wonder if setting an instance variable via another one is allowed/good practice?
public class Pdf {
private byte[] bytearray;
private String name;
private PDDocument pddocument;
private ...
