# “Best is enemy of the good” (Russian idiom/saying)

What are English equivalents for following Russian idiom: "best is enemy of the good"?This is attributed to Voltaire as ‘Le mieux est l'ennemi du bien’, and occurs in English as 'The best is the enemy of the good.

# Page html qui contient un paragraphe qui dépasse les pages courants,le footer sera ecrasé par le text comment je peux régler ça? [closed]

le contenu du paragraphe écrase le footer, j'aimerai que le paragraphe stop a une certains ligne avant le footer et continue vers la page suivante sans perte d'information, le header marche trés bien mais le footer est écrasé!

# Mongoose findOne is not working for a particular query, yet working for others

I am trying to work with a mongoDB using mongoose, here is an example element from the db:

{
"_id": {

# For two continuous RVs $X$ and $Y$ such that $Y=X$, does $P(X=Y)=1$ hold?

Given that there are two continuous random variables $X$ and $Y$ such that $Y=X$.In other words, there does not exist any integrable function $f$ such that $P(X\le x,Y\le y)=\int_{-\infty}^x\int_{-\infty}^y f(u,v)\,du\,dv$ unless both the RVs are jointly continuous.

# Double integral $\iint\ln(\sin(u-7v)) \,du\,dv$

Can you please help me solve this double integral?$$\iint_D\ln(\sin(u-7v))\,du\,dv$$ where

# Impossible d'effectuer une liaison à la propriété ou la colonne Réception bande commande sur le DataSource. Nom du paramètre : dataMember

i have a problem with the command ajout_projet.show because i delete the data set.