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How do you create different variable names while in a loop? [duplicate]
...ctionary or list of dataframe. And since I needed to reorder the dataframe based on a certain value on the dataframe, I could not have used dictionary form. Yeah you are right! In some cases it is really pointless to create variable names!
– Doo Hyun Shin
Feb 1...
How to make an empty div take space
... have a user-generated content website? e.g. a user submit empty comment.. based in your solution I have to build a code to check if the comment is empty, then add "&nbsp" (over complicating for no good reason) min-height and min-width is the best solution because I will write it once and wont w...
Disable migrations when running unit tests in Django 1.7
Django 1.7 introduced database migrations .
7 Answers
7
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Padding or margin value in pixels as integer using jQuery
...are that parseInt can return NaN (which then in turn make the calculations based on that variable fail) - add a isNaN check afterwards! Example case: parseInt('auto', 10); (auto is a valid margin-left).
– Thomas
Mar 22 '12 at 16:40
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Setting direction for UISwipeGestureRecognizer
I want to add simple swipe gesture recognition to my view based iPhone project. Gestures in all directions (right, down, left, up) should be recognized.
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Remove multiple whitespaces
I'm getting $row['message'] from a MySQL database and I need to remove all whitespace like \n \t and so on.
15 Answer...
how to check if object already exists in a list
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Simply use Contains method. Note that it works based on the equality function Equals
bool alreadyExist = list.Contains(item);
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Android Studio: how to remove/update the “Created by” comment added to all new classes?
....g.
/**
* TODO: Add a class header comment!
*/
These instructions are based on Android Studio v0.3.7. and also tested on v1.2.1.1
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How to remove all the occurrences of a char in c++ string
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Based on other answers, here goes one more example where I removed all special chars in a given string:
#include <iostream>
#include <string>
#include <algorithm>
std::string chars(".,?!.:;_,!'\"-");
int ...
Why does NULL = NULL evaluate to false in SQL server
...ons on this subject on Stackoverflow and in other forum to make sure);
SQL-based DBMSes often do not respect even 3VL, they give wrong answers sometimes (as, the original poster assert, SQL Server do in this case).
So I reiterate: SQL does not any good forcing one to interpret the reflexive proper...