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Check if item is in an array / list
...t an array of strings, can I check to see if a string is in the array without doing a for loop? Specifically, I'm looking for a way to do it within an if statement, so something like this:
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How to create a temporary directory and get the path / file name in Python
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Use the mkdtemp() function from the tempfile module:
import tempfile
import shutil
dirpath = tempfile.mkdtemp()
# ... do stuff with dirpath
shutil.rmtree(dirpath)
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How do I create a class instance from a string name in ruby?
...lass and I want to create an instance of that class so that I can loop through each rails attribute that is present in the schema of that class.
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How can I catch a ctrl-c event?
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signal isn't the most reliable way as it differs in implementations. I would recommend using sigaction. Tom's code would now look like this :
#include <signal.h>
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
void my_handler(int s){
printf("Caught s...
function declaration isn't a prototype
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In C int foo() and int foo(void) are different functions. int foo() accepts an arbitrary number of arguments, while int foo(void) accepts 0 arguments. In C++ they mean the same thing. I suggest that you use void consistently when you mean no arguments.
If you have a varia...
MySQL/SQL: Group by date only on a Datetime column
Having a table with a column like: mydate DATETIME ...
4 Answers
4
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Filter Fiddler traffic
Is it possible to instruct Fiddler to only show me traffic directed to a specific host name?
In other words, can Fiddler traffic be filtered for Host?
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MySQL convert date string to Unix timestamp
How do I convert the following format to unix timestamp?
4 Answers
4
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Ruby on Rails: How do I add placeholder text to a f.text_field?
...text to my f.text_field fields so that the text comes pre-written by default, and when a user click inside the fields, the text goes away - allowing the user to type in the new text?
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What are the correct link options to use std::thread in GCC under linux?
Hi I am trying to use std::thread with G++. Here is my test code
5 Answers
5
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